TH

Tatsuya Hashiguchi

TC Tokyo Ohka Kogyo Co.: 3 patents #291 of 684Top 45%
Overall (All Time): #1,637,360 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5800964 Photoresist composition Mitsuru Sato, Kazuyuki Nitta, Hideo Hada, Hiroshi Komano, Toshimasa Nakayama 1998-09-01
5728504 Positive photoresist compositions and multilayer resist materials using the same Hiroshi Hosoda, Satoshi Niikura, Atsushi Sawano, Kazuyuki Nitta, Hidekatsu Kohara +1 more 1998-03-17
5714625 Cyanooxime sulfonate compound Hideo Hada, Hiroshi Komano, Toshimasa Nakayama 1998-02-03