Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6303075 | High temperature oxidation resistant alloy materials and method of producing the same | Hisatoshi Hirai, Tatsuo Tabaru, Hidetoshi Ueno, Akira Kitahara | 2001-10-16 |
| 6107225 | High-temperature ceramics-based composite material and its manufacturing process | Eiji Tani | 2000-08-22 |
| 5698143 | Method for the preparation of silicon carbide-based composite ceramic body with fiber reinforcement | Eiji Tani | 1997-12-16 |
| 5585313 | Ceramic composite material with high heat-resistant property | Tadahiko Watanabe, Eiji Tani, Morito Akiyama | 1996-12-17 |
| 5294460 | Method for the preparation of silicon carbide-carbon fiber composite | Eiji Tani, Tadahiko Watanabe | 1994-03-15 |
| 5143869 | Boride-zirconium oxide-nitrogen carbide-based ceramics | Tadahiko Watanabe | 1992-09-01 |
| 5036028 | High density metal boride-based ceramic sintered body | Tadahiko Watanabe, Tsuyoshi Doutsu, Yukio Kai | 1991-07-30 |
| 4929417 | Method of manufacture metal diboride ceramics | Tadahiko Watanabe, Yukio Kai, Hideki Yamamoto, Eiichi Sudoh, Osamu Yagishita +1 more | 1990-05-29 |
| 4910171 | Titanium hafnium carbide-boride metal based ceramic sintered body | Tadahiko Watanabe, Hideki Yamamoto | 1990-03-20 |
| 4810676 | Chromium oxide-base ceramic material | Tadahiko Watanabe, Yuji Enomoto | 1989-03-07 |
| 4808557 | Sintered titanium carbo-nitride ceramics | Tadahiko Watanabe, Yuko Tsuya, Yuji Enomoto, Junshiro Hayakawa, Osamu Yagishita +2 more | 1989-02-28 |
| 4725456 | Method for preparing mixture to be used for production of composite material | Tadahiko Watanabe | 1988-02-16 |
| 4704372 | High-strength molybdenum silicide-based ceramic material and process for producing the same | Tadahiko Watanabe | 1987-11-03 |