Inventor · disambiguated record
Eiichi Nakagawa
Also filed as: NAKAGAWA EIICHI
16 granted patents·3 pending applications·157 citations·filing 1989–2024
92Inventor score
Top patents by PatentIndex Score
19 records- 0187US11808313B2Cam clutchTSUBAKIMOTO CHAIN CO·Filed 2021·Granted Nov 7, 2023·1 cites·5 claims
- 0280US9622526B2Glove, and method for producing the sameSHOWA GLOVE CO·Filed 2013·Granted Apr 18, 2017·5 cites·8 claims
- 0377US6714394B1Electric power feeding line switching method, electric power feeding line switching apparatus and electric power feeding line switching systemMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Mar 30, 2004·21 cites·20 claims
- 0475US4989930AOptoelectronics packageMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Feb 5, 1991·38 cites·13 claims
- 0574US12442423B2Cam clutchTSUBAKIMOTO CHAIN CO·Filed 2024·Granted Oct 14, 2025·0 cites·16 claims
- 0671US11913503B2Cam clutchTSUBAKIMOTO CHAIN CO·Filed 2023·Granted Feb 27, 2024·0 cites·5 claims
- 0770US12305722B2Cam clutchTSUBAKIMOTO CHAIN CO·Filed 2024·Granted May 20, 2025·0 cites·6 claims
- 0869US11761496B2Cam clutchTSUBAKIMOTO CHAIN CO·Filed 2023·Granted Sep 19, 2023·0 cites·4 claims
- 0969US5455704AOptical-fiber light amplifierMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Oct 3, 1995·43 cites·16 claims
- 1067US6934434B1Circuit for switching optical pathsMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Aug 23, 2005·9 cites·2 claims
- 1165US12253121B2Cam clutchTSUBAKIMOTO CHAIN CO·Filed 2023·Granted Mar 18, 2025·0 cites·11 claims
- 1265US11846329B2Cam clutchTSUBAKIMOTO CHAIN CO·Filed 2023·Granted Dec 19, 2023·0 cites·6 claims
- 1365US5367587AOptical amplifierMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Nov 22, 1994·22 cites·26 claims
- 1458US6792192B1Optical variable attenuatorMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Sep 14, 2004·7 cites·3 claims
- 1550US2022056963A1Cam clutchTSUBAKIMOTO CHAIN CO·Filed 2021·Application pending·0 cites
- 1648US2022074469A1Power transmission systemTSUBAKIMOTO CHAIN CO·Filed 2021·Application pending·0 cites
- 1747US6563236B2Feed line switching circuit and branching unitMITSUBISHI ELECTRIC CORP·Filed 2002·Granted May 13, 2003·1 cites·7 claims
- 1846US5510930ALight amplifying apparatusMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Apr 23, 1996·10 cites·6 claims
- 1942US2007166320A1Agent for preventing/ameliorating diabetes and functional food for preventing/ameliorating diabetesYAMAZAKI KAZUO·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →