Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691112 | Sulfonium salt and chemically amplified positive resist composition | Youichi Ohsawa, Toshinobu Ishihara, Kazumasa Maruyama, Yoshihumi Takeda, Junji Shimada +2 more | 1997-11-25 |
| 5679496 | Chemically amplified positive resist composition | Youichi Ohsawa, Katsuyuki Oikawa, Akinobu Tanaka, Yoshio Kawai, Jiro Nakamura | 1997-10-21 |
| 5659982 | Bicycling shoes | Tsutomu Muraoka | 1997-08-26 |
| 5633409 | Tristertbutoxyphenyl sulfonium tosylate compound | Youichi Ohsawa, Toshinobu Ishihara, Kazumasa Maruyama, Yoshihumi Takeda, Junji Shimada +2 more | 1997-05-27 |
| 5624787 | Chemically amplified positive resist composition | Katsuyuki Oikawa, Toshinobu Ishihara, Akinobu Tanaka, Tadahito Matsuda, Yoshio Kawai | 1997-04-29 |