Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5721332 | Phenolic resin | Yoshihisa Sone, Kouichi Yoshimura, Hiroichi Kouyama | 1998-02-24 |
| 5589116 | Process for preparing a silicon carbide sintered body for use in semiconductor equipment | Shoichi Kojima, Kazuhiro Minagawa, Tadaaki Miyazaki, Hiroaki Wada | 1996-12-31 |
| 5514475 | Heat-resistant electrical insulating layer | Kazunari Nawa, Yoshihisa Sone | 1996-05-07 |
| 5318761 | Process for preparing silicon carbide powder for use in semiconductor equipment | Shoichi Kojima, Kazuhiro Minagawa, Tasuku Saito, Tasuo Kurachi | 1994-06-07 |
| 5017683 | Condensed polycyclic, polynuclear aromatic thermosetting resin having good moldability and heat resistance; and preparation thereof | Sugio Otani, Michio Tsuyuguchi, Yoshihisa Sone, Kenji Kageyama, Toshiaki Mabuchi | 1991-05-21 |