Inventor · disambiguated record
Kouji Yamakawa
Also filed as: YAMAKAWA KOUJI
6 granted patents·97 citations·filing 1992–2000
84Inventor score
Top patents by PatentIndex Score
6 records- 0178US5988804AInk jet head cartridge and ink jet apparatus having sameCANON KK·Filed 1993·Granted Nov 23, 1999·32 cites·8 claims
- 0269US6338546B1Ink jet head cartridge and ink jet apparatus having sameCANON KK·Filed 1999·Granted Jan 15, 2002·22 cites·3 claims
- 0363US6168264B1Manufacturing method for the liquid ejection headCANON KK·Filed 1997·Granted Jan 2, 2001·18 cites·9 claims
- 0450US6260958B1Liquid ejection head having specific flow path structureCANON KK·Filed 2000·Granted Jul 17, 2001·3 cites·74 claims
- 0544US6328422B1Ink jet head cartridge having a folded wiring memberCANON KK·Filed 1992·Granted Dec 11, 2001·7 cites·18 claims
- 0642US5463248ASemiconductor package using an aluminum nitride substrateTOSHIBA KK·Filed 1994·Granted Oct 31, 1995·15 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →