Inventor · disambiguated record
Koichi Yamamuro
Also filed as: YAMAMURO KOICHI
2 granted patents·3 pending applications·30 citations·filing 1980–2013
57Inventor score
Top patents by PatentIndex Score
5 records- 0175US4371360ALocking mechanism in tension providing deviceNHK SPRING CO LTD·Filed 1980·Granted Feb 1, 1983·29 cites·2 claims
- 0251US7788768B2Door closerNHK SPRING CO LTD·Filed 2005·Granted Sep 7, 2010·1 cites·11 claims
- 0345US2009265994A1Door opening assisting deviceNHK SPRING CO LTD·Filed 2005·Application pending·0 cites
- 0444US2014154613A1Air electrode catalyst material, solid oxide fuel cell system, and method of manufacturing the air electrode catalyst materialUNIV TOKYO·Filed 2013·Application pending·0 cites
- 0541US2009051171A1Slide locking deviceNHK SPRING CO LTD·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Koichi Yamamuro 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 →