YK

Yoshihito KOYAMA

IC Idemitsu Kosan Co.: 7 patents #211 of 1,237Top 20%
NU National University Corporation Hokkaido University: 3 patents #83 of 825Top 15%
Overall (All Time): #683,385 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12325775 Method for producing polyphenol derivative, polyphenol derivative, and polyphenol derivative-containing resin composition material Hironori Tashiro 2025-06-10
11518886 Modified lignin, modified polyphenol manufacturing method, and modified lignin-including resin composition material Hironori Tashiro 2022-12-06
11505655 Modified lignin manufacturing method, modified lignin, and modified lignin-including resin composition material Hironori Tashiro 2022-11-22
11193022 Method for producing lignin-containing resin composition and lignin-containing resin molded article Shinobu Yamao, Masaki Okano 2021-12-07
10450698 Method for producing cellulose-containing solid material and method for producing glucose Takao Masuda, Teruoki Tago 2019-10-22
10155853 Method for manufacturing lignin degradation product Satoshi Kajitani, Naonori Ryumon, Takao Masuda, Teruoki Tago 2018-12-18
9951189 Method for manufacturing lignin degradation product Satoshi Kajitani, Naonori Ryumon, Takao Masuda, Teruoki Tago 2018-04-24