Inventor · disambiguated record
Hisayuki Yamaguchi
Also filed as: YAMAGUCHI HISAYUKI
2 granted patents·1 pending application·12 citations·filing 1986–2006
54Inventor score
Top patents by PatentIndex Score
3 records- 0152US7806136B2Wafer-type direct-acting valveKANE KOUGYOU CO LTD·Filed 2006·Granted Oct 5, 2010·2 cites·13 claims
- 0231US2002063227A1Water level regulating valveFiled 2001·Application pending·0 cites
- 0328US4892312AOperating device for TV game machineTAITO KK·Filed 1986·Granted Jan 9, 1990·10 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Hisayuki Yamaguchi 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 →