KI

Kiyoshi Ishikawa

TC Tokyo Ohka Kogyo Co.: 1 patents #12 of 39Top 35%
📍 Kawasaki, NJ: #1 of 2 inventorsTop 50%
Overall (1997): #118,200 of 185,788Top 65%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

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