Inventor · disambiguated record
Yuji Ishi
Also filed as: ISHI YUJI
5 granted patents·290 citations·filing 1991–1993
85Inventor score
Technology areasA47C
Files withITOKI KK5
Top patents by PatentIndex Score
5 records- 0192US5314240AShell structure for use with a chair having synchronously moving seat and seat backITOKI KK·Filed 1991·Granted May 24, 1994·112 cites·8 claims
- 0289US5338099AShell structure for use with a chair having synchronously moving seat and seat backITOKI KK·Filed 1993·Granted Aug 16, 1994·83 cites·12 claims
- 0388USD346909SChairITOKI KK·Filed 1991·Granted May 17, 1994·36 cites·1 claims
- 0478USD348571SChairITOKI KK·Filed 1991·Granted Jul 12, 1994·21 cites·1 claims
- 0565US5238294AInterlocking mechanism for supporting seat and seat back of chairITOKI KK·Filed 1991·Granted Aug 24, 1993·38 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Yuji Ishi 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 →