Inventor · disambiguated record
Koichi Yamauchi
Also filed as: YAMAUCHI KOICHI
9 granted patents·122 citations·filing 1982–2003
87Inventor score
Top patents by PatentIndex Score
9 records- 0192US6647228B2Image forming deviceSHARP KK·Filed 2002·Granted Nov 11, 2003·48 cites·7 claims
- 0272US5075167AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1989·Granted Dec 24, 1991·31 cites·9 claims
- 0366USD501664SImage sensorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Feb 8, 2005·16 cites·1 claims
- 0450US4503120AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1983·Granted Mar 5, 1985·11 cites·14 claims
- 0543US7251436B2Image forming device with movable processing unitSHARP KK·Filed 2002·Granted Jul 31, 2007·2 cites·15 claims
- 0643US5126202AMagnetic recording medium containing ferro magnetic powder, polar group containing resins in a specific ratio and carbon black of a specific size rangeFUJI PHOTO FILM CO LTD·Filed 1988·Granted Jun 30, 1992·8 cites·8 claims
- 0742US4431700AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted Feb 14, 1984·4 cites·14 claims
- 0833US5112680AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1988·Granted May 12, 1992·2 cites·18 claims
- 0929USD505964SImage sensorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 7, 2005·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →