YO

Yoshiaki Okumura

NC Nippon Paint Holdings Co.: 4 patents #150 of 834Top 20%
DI Daicel Chemical Industries: 2 patents #308 of 893Top 35%
📍 Himeji, JP: #354 of 1,500 inventorsTop 25%
Overall (All Time): #881,535 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6362255 Cationic electrodeposition coating composition Hiroyuki Sakamoto, Takayuki Kokubun, Kenichi Yoshizawa, Toshitaka Kawanami, Ichiro Kawakami 2002-03-26
5064468 Corrosion preventive coating composition Toshihiro Okai, Mitsuyuki Oda, Takashi Yamamoto, Hideo Fukuda, Teruaki Kuwajima 1991-11-12
5037478 Corrosion preventive pigment comprising a phosphate source, a vanadium ion source, and optionally, a network modifier and/or a glassy material Toshihiro Okai, Mitsuyuki Oda, Takashi Yamamoto, Masahiro Jinnouti 1991-08-06
4885032 Aluminum flake pigment Toshihiro Okai, Mitsuyuki Oda, Takashi Yamamoto, Teruaki Kuwajima 1989-12-05
4529788 Process for preparing novel graft polymer Masahiro Asami, Kiyoshi Okitsu, Hajime Namikoshi, Masatoshi Mikumo, Shoji Watanabe 1985-07-16
4443595 Cellulose ester derivatives and a process for the production thereof Hajime Namikoshi, Tsuyoshi Sei 1984-04-17