Inventor · disambiguated record
Yasumasa Yamaguchi
Also filed as: KOHNO KAZUO · YAMAGUCHI YASUMASA
11 granted patents·195 citations·filing 1976–2000
90Inventor score
Top patents by PatentIndex Score
11 records- 0192US5756306AProcess for producing a-hydroxy acid or a-hydroxyamide by microorganismNITTO CHEMICAL INDUSTRY CO LTD·Filed 1996·Granted May 26, 1998·84 cites·15 claims
- 0269US5028360AMethod of manufacturing spherical silica particlesNITTO CHEMICAL INDUSTRY CO LTD·Filed 1990·Granted Jul 2, 1991·28 cites·37 claims
- 0369US4039333APhotographic materials having improved anti-halation layersFUJI PHOTO FILM CO LTD·Filed 1976·Granted Aug 2, 1977·9 cites·8 claims
- 0467US5154905AMethod for producing unsintered cristobalite particlesNITTO CHEMICAL INDUSTRY CO LTD·Filed 1991·Granted Oct 13, 1992·20 cites·16 claims
- 0565US4414331AProcess for producing a highly concentrated aqueous acrylamide solution by means of microorganismsNITTO CHEMICAL INDUSTRY CO LTD·Filed 1980·Granted Nov 8, 1983·13 cites·11 claims
- 0657US4440858AProcess for the continuous production of acrylamide or methacrylamide using microorganismsNITTO CHEMICAL INDUSTRY CO LTD·Filed 1980·Granted Apr 3, 1984·16 cites·14 claims
- 0755US4883897AProcess for producing 2,6-dichlorobenzonitrileNITTO CHEMICAL INDUSTRY CO LTD·Filed 1987·Granted Nov 28, 1989·5 cites·2 claims
- 0852US4844809AMethod for purifying reaction solution obtained by using microbial cell, immobilized microbial cell, or immobilized enzymeNITTO CHEMICAL INDUSTRY CO LTD·Filed 1985·Granted Jul 4, 1989·17 cites·16 claims
- 0943US4701558AMethod for purifying aqueous acrylamide solutionNITTO CHEMICAL INDUSTRY CO LTD·Filed 1985·Granted Oct 20, 1987·2 cites·15 claims
- 1037US4188339AProcess for preparing acrylamide aqueous solutionNITTO CHEMICAL INDUSTRY CO LTD·Filed 1977·Granted Feb 12, 1980·1 cites·11 claims
- 1127US6743944B1Process for producing optically active aminoalcoholMITSUBISHI RAYON CO·Filed 2000·Granted Jun 1, 2004·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Yasumasa Yamaguchi 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 →