Inventor · disambiguated record
Koichi Hagishima
Also filed as: HAGISHIMA KOICHI
2 granted patents·1 pending application·72 citations·filing 1980–2023
66Inventor score
Top patents by PatentIndex Score
3 records- 0176US4385336ACurrent supplying circuit with shorted-to-ground fault detecting functionHITACHI LTD·Filed 1980·Granted May 24, 1983·33 cites·11 claims
- 0267US4864558ASelf-routing switchNIPPON TELEGRAPH & TELEPHONE·Filed 1987·Granted Sep 5, 1989·39 cites·37 claims
- 0350US2025263045A1Control device and control systemGLOBAL MOBILITY SERVICE INC·Filed 2023·Application pending·0 cites
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