Inventor · disambiguated record
Koji Amakawa
Also filed as: AMAKAWA KOJI
5 granted patents·227 citations·filing 1985–1998
83Inventor score
Top patents by PatentIndex Score
5 records- 0187US6016485ASystem for pathfindingETAK INC·Filed 1998·Granted Jan 18, 2000·153 cites·49 claims
- 0272US4615955AFuel cellHITACHI LTD·Filed 1985·Granted Oct 7, 1986·37 cites·18 claims
- 0347US5680532AMethod and apparatus for producing animation imageHITACHI LTD·Filed 1994·Granted Oct 21, 1997·16 cites·33 claims
- 0441US6008818AMethod and apparatus for producing animation imageHITACHI LTD·Filed 1997·Granted Dec 28, 1999·12 cites·8 claims
- 0540US4808492AFuel cell using liquid electrolyteHITACHI LTD·Filed 1987·Granted Feb 28, 1989·9 cites·44 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →