Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808557 | Sintered titanium carbo-nitride ceramics | Tadahiko Watanabe, Kazuhisa Shobu, Yuko Tsuya, Yuji Enomoto, Osamu Yagishita +2 more | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808557 | Sintered titanium carbo-nitride ceramics | Tadahiko Watanabe, Kazuhisa Shobu, Yuko Tsuya, Yuji Enomoto, Osamu Yagishita +2 more | 1989-02-28 |