Inventor · disambiguated record
Shigehiro Kayukawa
Also filed as: KAYUKAWA SHIGEHIRO
3 granted patents·2 pending applications·53 citations·filing 1987–2012
72Inventor score
Top patents by PatentIndex Score
5 records- 0170US4812730AVariable-speed generator/motor systemHITACHI LTD·Filed 1987·Granted Mar 14, 1989·28 cites·8 claims
- 0251US4980629AAC-excited generator/motor apparatusHITACHI LTD·Filed 1989·Granted Dec 25, 1990·13 cites·19 claims
- 0342US5148093ASystem for controlling AC excited synchronous machineHITACHI LTD·Filed 1990·Granted Sep 15, 1992·12 cites·4 claims
- 0437US2012229144A1Electric rotating machineNAKAHARA AKIHITO·Filed 2012·Application pending·0 cites
- 0530US2002047356A1Brushless alternating-current generating apparatus and method for measuring field winding temperature thereforFiled 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Shigehiro Kayukawa 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 →