Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10801571 | Friction material | Shinya Kaji, Mitsuaki Yaguchi | 2020-10-13 |
| 6117534 | Reinforcement for composite material and composite material using the same | Takemi Yamamura, Mitsuhiko Sato, Shinji Kajii, Yasuo Matsumori, Yoshikatu Harada | 2000-09-12 |
| 6004671 | Reinforcement for composite material and composite material using the same | Takemi Yamamura, Mitsuhiko Sato, Shinji Kajii, Yasuo Matsumori, Yoshikatu Harada | 1999-12-21 |
| 5207861 | Process for producing a high strength and high toughness sinter | Takemi Yamamura, Toshihiro Ishikawa, Masaki Shibuya, Kiyohito Okamura, Mitsuhiko Sato | 1993-05-04 |
| 5182011 | Process for preparing pitches | Masatoshi Tsuchitani, Kiyotaka Suzuki, Shuji Okada, Ryoichi Nakajima, Sakae Naito | 1993-01-26 |
| 5091072 | Process for preparing pitches | Masatoshi Tsuchitani, Kiyotaka Suzuki, Sjuji Okada, Ryoichi Nakajima, Sakae Naito | 1992-02-25 |
| 4990470 | High-strength and high-toughness sinter and process for producing the same | Takemi Yamamura, Toshihiro Ishikawa, Masaki Shibuya, Kiyohito Okamura, Mitsuhiko Sato | 1991-02-05 |