TO

Takekazu Obata

TC Tokyo Ohka Kogyo Co.: 1 patents #29 of 65Top 45%
Overall (2004): #105,272 of 270,089Top 40%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6806032 Negative-type photosensitive resin composition Hiroshi Takanashi, Tomoya Kudo 2004-10-19