KO

Katsuyuki Ohta

TC Tokyo Ohka Kogyo Co.: 1 patents #9 of 38Top 25%
Overall (1994): #108,134 of 165,921Top 70%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5368991 Photosensitive resin composition for use as a light-shielding film which can be used as black matrices Kiyoshi Uchikawa, Hiroshi Komano, Toshimi Aoyama 1994-11-29