KO

Katsumi Oomori

TC Tokyo Ohka Kogyo Co.: 26 patents #36 of 684Top 6%
📍 Yokohama, OR: #6 of 7 inventorsTop 90%
Overall (All Time): #156,350 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
5700625 Negative-working photoresist composition Mitsuru Sato, Kiyoshi Ishikawa, Etsuko Iguchi, Fumitake Kaneko 1997-12-23