Inventor · disambiguated record
Kazuyuki Ishihara
Also filed as: ISHIHARA KAZUYUKI
2 granted patents·12 citations·filing 1997–1997
56Inventor score
Files withJOHOKU CHEMICAL CO LTD2
Top patents by PatentIndex Score
2 records- 0157US5808086AProcess for preparing bis (2-hydroxyphenyl-3-benztriazole) methanesJOHOKU CHEMICAL CO LTD·Filed 1997·Granted Sep 15, 1998·9 cites·5 claims
- 0230US5932142ABenzotriazolyl-alkylene bisphenol compounds, process for their preparation, and stabilized organic materials containing themJOHOKU CHEMICAL CO LTD·Filed 1997·Granted Aug 3, 1999·3 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Kazuyuki Ishihara 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 →