Inventor · disambiguated record
Masao Horikawa
Also filed as: HORIKAWA MASAO
5 granted patents·1 pending application·65 citations·filing 1974–2009
79Inventor score
Top patents by PatentIndex Score
6 records- 0177US4388506ACircuit interrupterTERASAKI DENKI SANGYO KK·Filed 1981·Granted Jun 14, 1983·24 cites·5 claims
- 0259US5325744AWrench having wrench sleeves reversible upside downHOKUYO SANGYO CO LTD·Filed 1992·Granted Jul 5, 1994·25 cites·9 claims
- 0349US3940723AInstantaneously tripping device for circuit interrupterTERASAKI DENKI SANGYO KK·Filed 1974·Granted Feb 24, 1976·8 cites·1 claims
- 0442US2012099922A1Swingable connecting deviceHORIKAWA MASAO·Filed 2009·Application pending·0 cites
- 0537US5837950ADrawer type circuit breaker with drawer contacts biased against contact arcuate portions and external connection terminalsTERASAKI DENKI SANGYO KK·Filed 1997·Granted Nov 17, 1998·8 cites·10 claims
- 0621US6034341ACircuit breakerTERASAKI DENKI SANGYO KK·Filed 1999·Granted Mar 7, 2000·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →