Inventor · disambiguated record
Yuji Shima
Also filed as: SHIMA YUJI
10 granted patents·2 pending applications·12 citations·filing 2003–2021
80Inventor score
Files withKK RIKEN5SEKIYA TAKUMA3SHIMA YUJI2DENKI KAGAKU KOGYO KK1MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1
Top patents by PatentIndex Score
12 records- 0174US9371797B2Piston ringSEKIYA TAKUMA·Filed 2012·Granted Jun 21, 2016·1 cites·7 claims
- 0273US8597797B2Chromium nitride ion-plating coating and its production method, as well as piston ring used for internal combustion engineSEKIYA TAKUMA·Filed 2007·Granted Dec 3, 2013·10 cites·3 claims
- 0372US11512777B2Piston ringKK RIKEN·Filed 2019·Granted Nov 29, 2022·0 cites·11 claims
- 0469US12188564B2Piston ring, and method for manufacturing sameKK RIKEN·Filed 2021·Granted Jan 7, 2025·0 cites·19 claims
- 0561US9347559B2Piston ringSEKIYA TAKUMA·Filed 2012·Granted May 24, 2016·1 cites·4 claims
- 0660US10502319B2Piston ring and its production methodKK RIKEN·Filed 2016·Granted Dec 10, 2019·0 cites·13 claims
- 0753US2016215882A1Pressure ringKK RIKEN·Filed 2014·Application pending·0 cites
- 0846US9617952B2Compression ring and its production methodSHIMA YUJI·Filed 2011·Granted Apr 11, 2017·0 cites·6 claims
- 0946US9599223B2Compression ring and its production methodSHIMA YUJI·Filed 2012·Granted Mar 21, 2017·0 cites·5 claims
- 1044US10227670B2Piston ring and its production methodKK RIKEN·Filed 2015·Granted Mar 12, 2019·0 cites·7 claims
- 1144US2007026175A1Heat-shrinkable foam filmsDENKI KAGAKU KOGYO KK·Filed 2004·Application pending·0 cites
- 1237US7098584B2Deflection yokeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 29, 2006·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Yuji Shima 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 →