Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5817274 | Method of manufacturing aluminum nitride | Hiroaki Kotaka, Shuitsu Matsuo, Masahiro Ando, Mikiya Fujii, Hiroyuki Terada +1 more | 1998-10-06 |
| 5554204 | Surface treatment method for quartz material | Hiroaki Kotaka, Nobuhisa Kurono, Yoshirou Aiba, Shuuitsu Matsuo | 1996-09-10 |
| 5479873 | Method of manufacturing aluminum borate whiskers having a reformed surface based upon gamma alumina | Yoshitomo Shintani, Tetsuya Suganuma, Shuitsu Matsuo, Hajime Saito, Nobuhisa Kurono +1 more | 1996-01-02 |
| 4973516 | Gaskets for use in internal combustion engines | Yoshinao Kobayashi, Kuri Suga | 1990-11-27 |
| 4767597 | Heat-resistant alloy | Kazuaki Nishino, Takuo Ito, Satosi Kato | 1988-08-30 |
| 4269391 | Valve sealing device and a valve | Tutomu Saito, Hiroshi Yamazoe | 1981-05-26 |