Inventor · disambiguated record
Hidenori Yamaoka
Also filed as: YAMAOKA HIDENORI
6 granted patents·205 citations·filing 1978–1997
85Inventor score
Files withTOSHIBA CERAMICS CO2NIPPON CARBON CO LTD1NIPPON PETROCHEMICALS CO LTD1TOYODA CHUO KENKYUSHO KK1TOYOTA MOTOR CO LTD1
Top patents by PatentIndex Score
6 records- 0196US4269391AValve sealing device and a valveNIPPON PETROCHEMICALS CO LTD·Filed 1978·Granted May 26, 1981·74 cites·18 claims
- 0289US5479873AMethod of manufacturing aluminum borate whiskers having a reformed surface based upon gamma aluminaTOYOTA MOTOR CO LTD·Filed 1995·Granted Jan 2, 1996·93 cites·3 claims
- 0359US4767597AHeat-resistant alloyTOYODA CHUO KENKYUSHO KK·Filed 1985·Granted Aug 30, 1988·14 cites·14 claims
- 0439US5554204ASurface treatment method for quartz materialTOSHIBA CERAMICS CO·Filed 1994·Granted Sep 10, 1996·11 cites·7 claims
- 0538US4973516AGaskets for use in internal combustion enginesNIPPON CARBON CO LTD·Filed 1988·Granted Nov 27, 1990·10 cites·7 claims
- 0632US5817274AMethod of manufacturing aluminum nitrideTOSHIBA CERAMICS CO·Filed 1997·Granted Oct 6, 1998·3 cites·21 claims
Join the waitlist — get patent alerts
Get an alert when Hidenori Yamaoka 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 →