Inventor · disambiguated record
Akira Oi
Also filed as: OI AKIRA
8 granted patents·2 pending applications·136 citations·filing 1985–2016
87Inventor score
Top patents by PatentIndex Score
10 records- 0179US7111818B2Safety valveNERIKI VALVE CO LTD·Filed 2005·Granted Sep 26, 2006·11 cites·5 claims
- 0274US6453933B1Container valveNERIKI KK·Filed 2000·Granted Sep 24, 2002·19 cites·6 claims
- 0368US11054845B2Flow direction restriction valve mechanism and valve deviceNERIKI VALVE CO LTD·Filed 2016·Granted Jul 6, 2021·1 cites·5 claims
- 0466US5048565AValve assembly with check valve for gas containerNERIKI KK·Filed 1990·Granted Sep 17, 1991·37 cites·10 claims
- 0563US4580450AValve with a level gauge for a liquefied carbon dioxide containerNERIKI KK·Filed 1985·Granted Apr 8, 1986·25 cites·15 claims
- 0662US6626204B2Cylinder valve assembly with check valveNERIKI KK·Filed 2001·Granted Sep 30, 2003·12 cites·6 claims
- 0758US5063976AAttachment of gas charger for gas containerNERIKI KK·Filed 1990·Granted Nov 12, 1991·25 cites·7 claims
- 0851US6293307B1Valve assembly with check valve for gas cylinderNERIKI KK·Filed 2001·Granted Sep 25, 2001·6 cites·9 claims
- 0937US2016305562A1Non-return valve mechanism and one-way valve deviceNERIKI VALVE CO LTD·Filed 2016·Application pending·0 cites
- 1034US2003015678A1Valve assemblyNERIKI KK·Filed 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Akira Oi 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 →