Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227344 | Ceramics composite article and method for making same | Sinichi Saitoh, Takao Yonezawa, Chorji Sakai, Hatsuyuki Abe | 1993-07-13 |
| 4900526 | Polycrystalline rhombohedral boron nitride and method of producing the same | Hiroyuki Nakae, Toshio Hirai | 1990-02-13 |
| 4772304 | Transparent BN-type ceramic material and method of producing the same | Hiroyuki Nakae, Yukio Matsunami, Toshio Hirai | 1988-09-20 |
| 4565747 | Boron nitride containing titanium nitride, method of producing the same and composite ceramics produced therefrom | Hiroyuki Nakae, Naoki Uno, Yukio Matsunami, Toshio Hirai, Tsuyoshi Masumoto | 1986-01-21 |