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Epson Ink Cartridge Patents

 

Seiko Epson Corporation believes that the following products are covered by the indicated patents and, by reference to this web page, are marked pursuant to 35 U.S.C. § 287. However, the absence of a patent number associated with a product does not necessarily mean that the product is not covered by a particular patent either listed or not listed below. Furthermore, the omission of a product from this chart does not necessarily indicate that such product is not covered by a patent either listed or not listed below.

Ink Cartridge Model Number
(on cartridge label)

Associated U.S. Patent Number(s)

T007 6,502,917; 6,550,902; 7,264,334; 7,246,882
T010 6,502,917; 6,550,902; 7,264,334; 7,246,882
T008 6,502,917; 6,550,902; 7,264,334; 7,246,882
T009 6,502,917; 6,550,902; 7,264,334; 7,246,882
T015; T016 6,502,917; 6,550,902; 7,264,334; 7,246,882
T017; T018 6,502,917; 6,550,902; 7,264,334; 7,246,882
T028; T029 6,502,917; 6,550,902; 7,264,334; 7,246,882
T026; T027 6,502,917; 6,550,902; 7,264,334; 7,246,882
T036; T037; T038; T039 6,502,917; 6,550,902; 7,264,334; 7,246,882
T040; T041 6,502,917; 6,550,902; 7,264,334; 7,246,882
T0322; T0323; T0324 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397
T0321 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397
T0331; T0332; T0333; T0334; T0335; T0336 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397
T0341; T0342; T0343; T0344; T0345; T0346; T0347; T0348 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397
T0422; T0423; T0424 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397
T0431 6,502,917; 6,550,902; 7,264,334; 7,246,882; 7,018,030; 7,011,397; 7,008,053
T0441; T0442; T0443; T0444 6,502,917; 6,550,902; 7,264,334; 7,246,882; 7,018,030; 7,011,397; 7,008,053
T0481; T0482; T0483; T0484; T0485; T0486 6,502,917; 6,550,902; 7,264,334; 7,246,882; 7,018,030; 7,011,397; 7,008,053
T0540; T0541; T0542; T0543; T0544; T0545; T0546; T0547; T0548; T0549 6,502,917; 6,550,902; 7,264,334; 7,246,882; 7,018,030; 7,011,397; 7,008,053
T0591; T0592; T0593; T0594; T0595; T0596; T0597; T0598; T0599 6,502,917; 6,550,902; 7,264,334; 7,246,882; 7,018,030; 7,011,397; 7,008,053
T0601; T0602; T0603; T0604 6,502,917; 6,550,902; 7,264,334; 7,246,882; 7,018,030; 7,011,397; 7,008,053
T0681; T0682; T0683; T0684; T0691; T0692; T0693; T0694; T0881; T0882; T0883; T0884 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T0771; T0772; T0773; T0774; T0775; T0776; T0781; T0782; T0783; T0784; T0785; T0786; T0791; T0792; T0793; T0794; T0795; T0796 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T0870; T0871; T0872; T0873; T0874; T0877; T0878; T0879 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T0961; T0962; T0963; T0964; T0965; T0966; T0967; T0968; T0969 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T0971 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T0981; T0982; T0983; T0984; T0985; T0986; T0992; T0993; T0994; T0995; T0996 7,264,334; 7,246,882; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
124; 125; 126; 127 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 8,794,749; 9,381,750
T1590; T1591; T1592; T1593; T1594; T1597; T1598; T1599 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 8,794,749; 9,381,750
T3220; T3221; T3222; T3223; T3224; T3227; T3228; T3229; T3240; T3241; T3242; T3244; T3247; T3248; T3249 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T1571; T1572; T1573; T1574; T1575; T1576; T1577; T1578; T1579 7,264,334; 7,246,882; 7,018,030; 7,011,397; 8,794,749; 9,381,750
T7601; T7602; T7603; T7604; T7605; T7606; T7607; T7608; T7609; T7611; T7612; T7613; T7614; T7615; T7616; T7617; T7618; T7619; T7621; T7622; T7623; T7624; T7625; T7626; T7627; T7628; T7629; T7631; T7632; T7633; T7634; T7635; T7636; T7637; T7638; T7639 7,264,334; 7,246,882; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
200, 200-I, 200XL, 220, 220XL, 220-I; 288, 288XL; 288-I 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
223; 223-I, 223XL 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
252-I; 252, 252XL, 254XL 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
702XL; 702; 702-I 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
802XL; 802; 802-I 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
202XL; 202; 202-I 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T40V1; T40V2; T40V3; T40V4; T40W1; T40W2; T40W3; T40W4 6,502,917; 6,550,902; 7,264,334; 7,246,882; 6,955,422; 7,018,030; 7,011,397; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
277; 277-I; 277XL; 273; 273-I; 273XL; 410; 410XL; 410-I 7,562,958; 8,366,233; 8,297,738; 8,297,739; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
302; 302XL; 302-I 7,562,958; 8,366,233; 8,297,738; 8,297,739; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
312; 312XL; 314XL; 312-I; 314-I 7,562,958; 8,366,233; 8,297,738; 8,297,739; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
215-I, 215 7,562,958; 8,366,233; 8,297,738; 8,297,739; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
320; 320-I 7,562,958; 8,366,233; 8,297,738; 8,297,739; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T5591; T5592; T5593; T5594; T5595; T5596 7,264,334; 7,246,882; 7,152,965; 6,834,945; 6,832,830
T557 7,264,334; 7,246,882
T5845; T5846 7,264,334; 7,246,882; 6,832,830
T4990; T5000; T5010; T5020; T5030; T5040 7,264,334; 7,246,882; 7,152,965; 6,834,945; 7,125,100
T5110; T5120; T5130; T5140; T5150; T5160 7,264,334; 7,246,882; 7,152,965; 6,834,945; 7,125,100
T5431; T5432; T5433; T5434; T5435; T5436; T5437; T5438 7,264,334; 7,246,882; 7,125,100; 6,832,830
T5441; T5442; T5443; T5444; T5445; T5446; T5447; T5448 7,264,334; 7,246,882; 7,125,100; 6,832,830
T5491; T5492; T5493; T5494; T5495; T5496; T5498 7,264,334; 7,246,882; 7,152,965; 6,834,945; 7,125,100
T5801; T5802; T5803; T5804; T5805; T5806; T5807; T5808; T5809; T580A; T580B 7,264,334; 7,246,882; 7,152,965; 6,832,830
T6031; T6032; T6034; T6035; T6037; T6039; T6033; T6036; T603B; T603C; T6021; T6022; T6024; T6025; T6027; T6029; T602B; T602C; T6023; T6026 7,264,334; 7,246,882; 7,152,965; 6,834,945; 7,125,100
T6112; T6113; T6114; T6118; T6121; T6122; T6123; T6124; T6128 7,264,334; 7,246,882; 7,152,965; 6,834,945; 7,125,100
T6051; T6052; T6053; T6054; T6055; T6056; T6057; T6059; T605B; T605C 7,264,334; 7,246,882; 7,125,100; 6,832,830
T6061; T6062; T6063; T6064; T6065; T6066; T6067; T6069; T606B; T606C 7,264,334; 7,246,882; 7,125,100; 6,832,830
T6132; T6133; T6134; T6138 7,264,334; 7,246,882; 7,125,100; 6,832,830
T6141; T6142; T6143; T6144; T6148 7,264,334; 7,246,882; 7,125,100; 6,832,830
T5911; T5912; T5913; T5914; T5915; T5916; T5917; T5918; T5919 7,264,334; 7,246,882; 7,152,965; 6,832,830; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 9,381,750
T6241; T6242; T6243; T6244; T6245; T6246; T6247; T6248 7,264,334; 7,246,882; 6,832,830
T6161; T6162; T6163; T6164; T6171; T6172; T6173; T6174; T6181 7,264,334; 7,246,882; 6,832,830
T5961; T5962; T5963; T5964; T5965; T5966; T5967; T5968; T5969; T596A; T596B; T6361; T6362; T6363; T6364; T6365; T6366; T6367; T6368; T6369; T636A; T636B; T6421; T6422; T6423; T6424; T6425; T6426; T6427; T6428; T6429; T642A; T642B; T642C 7,264,334; 7,246,882; 7,152,965; 6,832,830; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T8041; T8042; T8043; T8044; T8045; T8046; T8047; T8048; T8049; T804A; T804B; T804D; T8241; T8242; T8243; T8244; T8245; T8246; T8247; T8248; T8249; T824A; T824B; T824D; T8341; T8342; T8343; T8344; T8345; T8346; T8347; T8348; T8349; T834A; T834B; T834D 7,264,334; 7,246,882; 7,152,965; 7,018,039; 6,832,830; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T596C; T642C 7,264,334; 7,246,882; 7,152,965; 6,832,830; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T6390; T6391; T6392; T6393; T6394; T6395; T6396; T6397; T6398; T639A; T639B; T639C; T639D 7,264,334; 7,246,882; 7,152,965; 6,832,830
T6531; T6532; T6533; T6534; T6535; T6536; T6537; T6538; T6539; T653A; T653B 7,264,334; 7,246,882; 6,832,830; 8,794,749; 9,381,750
T6521; T6522; T6523; T6524; T6525; T6528; T6529 7,264,334; 7,246,882; 6,832,830; 8,794,749; 8,882,513; 9,381,750
T7101; T7102; T7103; T7104; T7105; T7106 7,264,334; 7,246,882; 6,832,830; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
676XL; 711XXL; initial cartridges bundled with printer model numbers WP-4590, WP-4530, WP-4533, WP-4540, WP-4520, WP-4090, WP-4020, WP-4023, WP-4010 7,264,334; 7,246,882; 6,832,830; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 9,381,750; 8,794,749
T6611; T6612; T6613; T6614; T6751; T6752; T6753; T6754; T6761; T6762; T6763; T6764 7,264,334; 7,246,882; 6,832,830; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
786-I; 786; 786XL; 788XXL 7,264,334; 7,246,882; 6,832,830; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
792XL 7,264,334; 7,246,882; 6,832,830; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
748; 748XL; 748XXL 7,264,334; 7,246,882; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
R22X; R24X; R24X-I 7,264,334; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
R12-I; R-12; R12-X-I; R14X; R14X-I 7,264,334; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T6891; T6892; T6893; T6894; T6895; T6896; T6897; T6898; T689A; T689B; T7151; T7152; T7153; T7154; T7155; T7156; T7157; T7158; T7159, T715A; T715B 7,264,334; 7,246,882; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T8000; T8001; T8002; T8003; T8004; T8005; T8006; T8007; T8008; T8009 7,264,334; 7,246,882; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T6921; T6922; T6923; T6924; T6925; T6931; T6932; T6933; T6934; T6935; T6941; T6942; T6943; T6944; T6945 7,264,334; 7,246,882; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T7251; T7252; T7253; T7254; T725A; T7301; T7302; T7303; T7304; T730A 7,264,334; 7,246,882; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T8501; T8502; T8503; T8504; T8505; T8506; T8507; T8508; T8509 7,264,334; 7,246,882; 7,152,965; 6,832,830
T8901; T8902; T8903; T8904; T8905; T8906; T8907; T8908; T8909; T890A; T890B 7,264,334; 7,246,882; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 9,381,750
T9131; T9132; T9133; T9134; T9135; T9136; T9137; T9138; T9139; T913A; T913B 7,264,334; 7,246,882; 6,832,830; 8,794,749
S020614; S020615; S020616; S020617 7,264,334; 7,246,882; 6,832,830; 7,562,958; 8,366,233; 8,454,116; 8,794,749; 8,882,513; 9,381,750
S020577; S020581; S020582; S020583 7,264,334; 7,246,882; 7,152,965; 6,834,945; 6,832,830
S020563; S020564; S020565; S020566 7,264,334; 7,246,882; 7,152,965; 6,834,945; 6,832,830
S020605; S020606; S020607; S020608 7,264,334; 7,246,882; 7,152,965; 6,834,945; 6,832,830
S020447; S020448; S020449; S020450; S020451; S020452 7,264,334; 7,246,882; 7,152,965; 6,834,945; 6,832,830
S020477 7,264,334; 7.246.882; 6,281,911
S020430; S020483 6,281,911; 7,264,334; 7,246,882; D537,875
S020464; S020493 6,281,911; 7,264,334; 7,246,882
S020484 7,264,334; 7,246,882
S020403; S020406; S020407 6,736,496
S020404; S020405; S020463 6,508,871; 6,736,496
S020427 5,892,528; 6,086,660; 6,176,912; 6,736,496
S020267 D460,108
S020268; S020269 6,281,911; 6,508,871; D464,082
S020270 6,281,911; D464,082
S020271; S020175 6,281,911

 

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