Inventor · disambiguated record
Shigeki Kunihiro
Also filed as: KUNIHIRO SHIGEKI
4 granted patents·22 citations·filing 1998–2003
72Inventor score
Technology areasC07C
Files withKANEKA CORP4
Top patents by PatentIndex Score
4 records- 0176US6794519B2Process for the production of sulfonic estersKANEKA CORP·Filed 2002·Granted Sep 21, 2004·7 cites·25 claims
- 0267US6140527AProcess for producing butyric ester derivativesKANEKA CORP·Filed 1998·Granted Oct 31, 2000·12 cites·33 claims
- 0365US6864372B2Process for the production of sulfonic estersKANEKA CORP·Filed 2003·Granted Mar 8, 2005·3 cites·18 claims
- 0447US6992205B2Process for the production of sulfonic estersKANEKA CORP·Filed 2003·Granted Jan 31, 2006·0 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Shigeki Kunihiro 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 →