Inventor · disambiguated record
Yasuichi Nakagawa
Also filed as: NAKAGAWA YASUICHI
5 granted patents·16 citations·filing 1975–1976
73Inventor score
Files withSEIKO INSTR & ELECTRONICS5
Top patents by PatentIndex Score
5 records- 0139US4006374AElectric micro motor for a timepieceSEIKO INSTR & ELECTRONICS·Filed 1975·Granted Feb 1, 1977·8 cites·5 claims
- 0232US3979901AConstruction of the gear train for a timepieceSEIKO INSTR & ELECTRONICS·Filed 1975·Granted Sep 14, 1976·3 cites·3 claims
- 0329US4057698ASwitching mechanism of a timepieceSEIKO INSTR & ELECTRONICS·Filed 1976·Granted Nov 8, 1977·3 cites·3 claims
- 0426US4028881AMechanism for correcting calendar in a watchSEIKO INSTR & ELECTRONICS·Filed 1975·Granted Jun 14, 1977·1 cites·2 claims
- 0525US4125994ATrain structure of a timepieceSEIKO INSTR & ELECTRONICS·Filed 1976·Granted Nov 21, 1978·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →