Inventor · disambiguated record
Tsutomu Nishikawa
Also filed as: NISHIKAWA TSUTOMU · NISHIWAKI TSUTOMU
10 granted patents·312 citations·filing 1983–2014
91Inventor score
Top patents by PatentIndex Score
10 records- 0194US4710022AMethod and apparatus for measuring chromatic dispersion coefficientFUJITSU LTD·Filed 1984·Granted Dec 1, 1987·80 cites·19 claims
- 0280US5076153AAutomatic bread-making deviceZOJIRUSHI CORP·Filed 1989·Granted Dec 31, 1991·52 cites·4 claims
- 0378US5869949ACharging apparatus and charging system for use with an unstable electrical power supplyCANON KK·Filed 1997·Granted Feb 9, 1999·82 cites·27 claims
- 0476US6411017B1Piezoelectric device, ink jet recording head, and methods of manufacturing said device and headSEIKO EPSON CORP·Filed 1999·Granted Jun 25, 2002·33 cites·8 claims
- 0562US4550145AProcess for the production of propylene block copolymers by a three step methodIDEMITSU PETROCHEMICAL CO·Filed 1983·Granted Oct 29, 1985·13 cites·11 claims
- 0659US9260136B2Vehicle lower portion structureTOYOTA MOTOR CO LTD·Filed 2014·Granted Feb 16, 2016·3 cites·9 claims
- 0759US6133711ACombination battery charger and battery driven power supplyCANON KK·Filed 1998·Granted Oct 17, 2000·37 cites·15 claims
- 0855US8093865B2Charging device with backflow preventionNISHIKAWA TSUTOMU·Filed 2008·Granted Jan 10, 2012·4 cites·5 claims
- 0932US5906765AMicrowave ovenSANYO ELECTRIC CO·Filed 1998·Granted May 25, 1999·3 cites·4 claims
- 1031US5552693ACharging method and appratus for carrying out the sameCANON KK·Filed 1994·Granted Sep 3, 1996·5 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →