Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9707663 | Polishing pad | Masaharu Wada, Hiroyasu Kato, Hajime Nishimura, Satoshi Yanagisawa, Yukihiro Matsuzaki | 2017-07-18 |
| 8337277 | Polishing pad and polishing apparatus | Tomoyuki Honda, Miyuki Hanamoto | 2012-12-25 |
| 6705934 | Polishing pad | Kazuhiko Hashisaka, Tetsuo Oka | 2004-03-16 |
| 6362107 | Polishing pad and polishing device | Hisashi Minamiguchi, Tetsuo Oka | 2002-03-26 |
| 5259950 | Composite membrane | Yoshio Himeshima, Shinichi Yamada, Tetsuo Watanabe, Tadahiro Uemura, Masaru Kurihara | 1993-11-09 |
| 4950314 | Gas separation membrane | Shinichi Yamada | 1990-08-21 |