Inventor · disambiguated record
Masaru Koseki
Also filed as: KOSEKI MASARU
2 granted patents·2 pending applications·3 citations·filing 2016–2019
46Inventor score
Technology areasH10W
Files withTOSHIBA KK4
Top patents by PatentIndex Score
4 records- 0170US9633984B2Semiconductor moduleTOSHIBA KK·Filed 2016·Granted Apr 25, 2017·2 cites·7 claims
- 0263US10204891B2Semiconductor moduleTOSHIBA KK·Filed 2017·Granted Feb 12, 2019·1 cites·7 claims
- 0337US2020091367A1PhotocouplerTOSHIBA KK·Filed 2019·Application pending·0 cites
- 0424US2016322531A1Semiconductor device and optical coupling deviceTOSHIBA KK·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Masaru Koseki files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →