Inventor · disambiguated record
Akira Harayama
Also filed as: HARAYAMA AKIRA
8 granted patents·125 citations·filing 1976–1997
88Inventor score
Top patents by PatentIndex Score
8 records- 0172US5295696ACombined oil ringTEIKOKU PISTON RING CO LTD·Filed 1993·Granted Mar 22, 1994·41 cites·10 claims
- 0268US6054225AComposite chromium plating film and sliding member covered thereofTEIKOKU PISTON RING CO LTD·Filed 1997·Granted Apr 25, 2000·19 cites·6 claims
- 0358US4420543ABearing member of an internal combustion engine, having a flame sprayed surfaceTOYOTA MOTOR CO LTD·Filed 1980·Granted Dec 13, 1983·17 cites·12 claims
- 0457US5469616AMethod of manufacturing a side rail of a combined oil ringTEIKOKU PISTON RING CO LTD·Filed 1994·Granted Nov 28, 1995·20 cites·2 claims
- 0552US4062741AMethod for maintaining an electrode and an article plated or to be plated immersed in an electrolytic chromium-plating bath in a normal conditionTEIKOKU PISTON RING CO LTD·Filed 1976·Granted Dec 13, 1977·8 cites·5 claims
- 0649US6013380AComposite chromium plating film and sliding member covered thereofTEIKOKU PISTON RING CO LTD·Filed 1997·Granted Jan 11, 2000·14 cites·4 claims
- 0734US4114282AVertical centering method and jig for platingTAISEI CORP·Filed 1976·Granted Sep 19, 1978·4 cites·4 claims
- 0825US5945226AChromium alloy plating film, plating method thereof and member covered with said filmTEIKOKU PISTON RING CO LTD·Filed 1997·Granted Aug 31, 1999·2 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Akira Harayama 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 →