Inventor · disambiguated record
Kiyofumi Usui
Also filed as: INUKAI SADAHARU · KODAIRA KOZO · USUI KIYOFUMI
7 granted patents·400 citations·filing 1977–2002
89Inventor score
Top patents by PatentIndex Score
7 records- 0196US6238042B1Ink cartridge for ink jet printer and method of charging ink into said cartridgeSEIKO EPSON CORP·Filed 1995·Granted May 29, 2001·130 cites·38 claims
- 0295US6247803B1Ink jet recording apparatus and method for replenishing ink in the tank cartridgeSEIKO EPSON CORP·Filed 1995·Granted Jun 19, 2001·137 cites·3 claims
- 0393US4204180AEnd of paper roll detection assemblyEPSON CORP·Filed 1978·Granted May 20, 1980·59 cites·13 claims
- 0487US6854835B2Ink cartridge for ink jet printer and method of charging ink into said cartridgeSEIKO EPSON CORP·Filed 2002·Granted Feb 15, 2005·25 cites·33 claims
- 0582US6655779B2Judgement on compatibility between ink cartridges and printing apparatusSEIKO EPSON CORP·Filed 2001·Granted Dec 2, 2003·29 cites·18 claims
- 0665US4161912AMiniature printerEPSON CORP·Filed 1977·Granted Jul 24, 1979·13 cites·19 claims
- 0742US4109843AWeb feeding mechanism for compact printerEPSON CORP·Filed 1977·Granted Aug 29, 1978·7 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →