Inventor · disambiguated record
Shigeru Sugayama
Also filed as: SUGAYAMA SHIGERU
6 granted patents·74 citations·filing 1986–2015
82Inventor score
Top patents by PatentIndex Score
6 records- 0180US9831145B2Semiconductor device, and alternator and power converter using the semiconductor deviceHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2015·Granted Nov 28, 2017·4 cites·17 claims
- 0278US4728825ABidirectional MOS linear switchHITACHI HARAMACHI SEMI CONDUCT·Filed 1986·Granted Mar 1, 1988·33 cites·6 claims
- 0371US10069436B2Synchronous rectifier and alternator using the sameHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2015·Granted Sep 4, 2018·2 cites·15 claims
- 0457US6288597B1Temperature sensing circuit for voltage drive type semiconductor device and temperature sensing method therefore, and drive-device and voltage drive type semiconductor device using the sameHITACHI LTD·Filed 1999·Granted Sep 11, 2001·24 cites·17 claims
- 0545US4740723ASemiconductor switchHITACHI LTD·Filed 1986·Granted Apr 26, 1988·7 cites·32 claims
- 0635US4833587ASemiconductor switching circuitHITACHI LTD·Filed 1988·Granted May 23, 1989·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →