Inventor · disambiguated record

Toyoji Koinuma

Also filed as: KOINUMA TOYOJI

2 granted patents·56 citations·filing 1982–1983

64Inventor score

Technology areasC04B

Files withNISSAN CHEMICAL IND LTD2

Top patents by PatentIndex Score

2 records

0188US4443496AAgent and method for modifying surface layer of cement structuresNISSAN CHEMICAL IND LTD·Filed 1982·Granted Apr 17, 1984·50 cites·13 claims
0239US4521249ASilicate containing agent and cement surface modified with said agentNISSAN CHEMICAL IND LTD·Filed 1983·Granted Jun 4, 1985·6 cites·11 claims

Join the waitlist — get patent alerts

Get an alert when Toyoji Koinuma 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 →