Inventor · disambiguated record
Hiroyasu Torazawa
Also filed as: TORAZAWA HIROYASU
7 granted patents·3 pending applications·43 citations·filing 1993–2016
82Inventor score
Top patents by PatentIndex Score
10 records- 0158US6522514B1Photocoupler and connecting system using the sameOKI ELECTRIC IND CO LTD·Filed 2000·Granted Feb 18, 2003·10 cites·21 claims
- 0251US6259308B1Optical coupling semiconductor switching circuitOKI ELECTRIC IND CO LTD·Filed 2000·Granted Jul 10, 2001·5 cites·10 claims
- 0348US10731235B2Wire for reed switch, reed piece for reed switch, and reed switchSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Aug 4, 2020·0 cites·3 claims
- 0440US5757020APhotosemiconductor relay, photosemiconductor relay device, controller using photosemiconductor relay, power supply apparatus using photosemiconductor relay and terminal switching apparatus using photosemiconductor relayOKI ELECTRIC IND CO LTD·Filed 1997·Granted May 26, 1998·10 cites·19 claims
- 0539US6177689B1Photosensitive device having light transmissive sealing resin with carbonized outer surfaceOKI ELECTRIC IND CO LTD·Filed 1999·Granted Jan 23, 2001·8 cites·6 claims
- 0635US5304819ALight-activated semiconductor device having light-emitting elements, light-receiving elements and output elementsOKI ELECTRIC IND CO LTD·Filed 1993·Granted Apr 19, 1994·10 cites·18 claims
- 0735US2004101003A1Peltier cooler and semiconductor laser moduleFiled 2003·Application pending·0 cites
- 0834US2003133480A1Semiconductor laser moduleFiled 2002·Application pending·0 cites
- 0934US2003128727A1Semiconductor laser moduleFiled 2002·Application pending·0 cites
- 1027US6037188AMethod of manufacturing photosensitive semiconductor deviceOKI ELECTRIC IND CO LTD·Filed 1998·Granted Mar 14, 2000·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →