Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4948425 | Titanium carbo-nitride and chromium carbide-based ceramics containing metals | Tadahiko Watanabe, Tsuyoshi Doutsu, Hideki Yamamoto, Yukio Kai | 1990-08-14 |
| 4929417 | Method of manufacture metal diboride ceramics | Tadahiko Watanabe, Kazuhisa Shobu, Yukio Kai, Hideki Yamamoto, Eiichi Sudoh +1 more | 1990-05-29 |
| 4808557 | Sintered titanium carbo-nitride ceramics | Tadahiko Watanabe, Kazuhisa Shobu, Yuko Tsuya, Yuji Enomoto, Junshiro Hayakawa +2 more | 1989-02-28 |