Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10267579 | Method and apparatus for improving thermal efficiency of heating device | Narihito Nakagawa, Terumi Hisayuki, Motohide Toda, Hironaga Iguchi, Yoshikazu Matsumura +1 more | 2019-04-23 |
| 6245283 | Method for production of fiber-bond type ceramic material and engine parts formed thereof | Shouju Masaki, Tetsurou Hirokawa, Takeshi Tanamura | 2001-06-12 |
| 6117534 | Reinforcement for composite material and composite material using the same | Mitsuhiko Sato, Makoto Tamura, Shinji Kajii, Yasuo Matsumori, Yoshikatu Harada | 2000-09-12 |
| 6004671 | Reinforcement for composite material and composite material using the same | Mitsuhiko Sato, Makoto Tamura, Shinji Kajii, Yasuo Matsumori, Yoshikatu Harada | 1999-12-21 |
| 5318860 | Inorganic fiber sinter and process for producing same | Masaki Shibuya, Hideki Ohtsubo, Tooru Hiratuka | 1994-06-07 |
| 5277973 | Carbon fibers having high strength and high modulus of elasticity and polymer composition for their production | Junichi Kugimoto, Toshihiro Ishikawa, Yasuhiro Sioji, Masaki Shibuya | 1994-01-11 |
| 5240888 | Inorganic fiber and process for the production thereof | Toshihiro Ishikawa, Masaki Shibuya | 1993-08-31 |
| 5207861 | Process for producing a high strength and high toughness sinter | Toshihiro Ishikawa, Makoto Tamura, Masaki Shibuya, Kiyohito Okamura, Mitsuhiko Sato | 1993-05-04 |
| 5094907 | Electromagnetic wave absorbing material | Toshihiro Ishikawa, Masaki Shibuya | 1992-03-10 |
| 4990470 | High-strength and high-toughness sinter and process for producing the same | Toshihiro Ishikawa, Makoto Tamura, Masaki Shibuya, Kiyohito Okamura, Mitsuhiko Sato | 1991-02-05 |
| 4961990 | Fibrous material for composite materials, fiber-reinforced composite materials produced therefrom, and process for producing same | Senichi Yamada, Shinichi Towata, Hajime Ikuno, Toshihiro Ishikawa, Masaki Shibuya | 1990-10-09 |
| 4778722 | Reinforcing fibers and composite materials reinforced with said fibers | Toshihiro Ishikawa, Masaki Shibuya | 1988-10-18 |
| 4770926 | Hybrid fiber-reinforced plastic composite material | Masahiro Tokuse, Teruhisa Furushima | 1988-09-13 |
| 4770935 | Inorganic fibrous material as reinforcement for composite materials and process for production thereof | Toshihiro Ishikawa, Masaki Shibuya, Yoshiharu Waku | 1988-09-13 |
| 4663229 | Continuous inorganic fibers and process for production thereof | Mantaro Yajima, Akiko Noda, Kiyohito Okamura, Yoshio Hasegawa | 1987-05-05 |
| 4622270 | Inorganic fiber-reinforced metallic composite material | Masahiro Tokuse, Teruhisa Furushima | 1986-11-11 |
| 4618529 | Inorganic fiber-reinforced ceramic composite material | Masahiro Tokuse, Yoshiharu Waku | 1986-10-21 |
| 4614690 | Inorganic fiber-reinforced metallic composite material | Masahiro Tokuse, Yoshiharu Waku | 1986-09-30 |
| 4610917 | Inorganic fiber-reinforced ceramic composite material | Masahiro Tokuse, Teruhisa Furushima | 1986-09-09 |
| 4556526 | Process for production of sintered ceramic body | Seishi Yajima, Kiyohito Okamura, Yoshio Hasegawa | 1985-12-03 |
| 4455414 | Process for producing an organometallic copolymer | Seishi Yajima, Kiyohito Okamura, Yoshio Hasegawa | 1984-06-19 |
| 4399232 | Continuous inorganic fibers and process for production thereof | Seishi Yajima, Kiyohito Okamura, Yoshio Hasegawa | 1983-08-16 |
| 4359559 | Novel polymetallocarbosilane, and process for its production | Seishi Yajima, Kiyohito Okamura, Yoshio Hasegawa | 1982-11-16 |
| 4347347 | Crosslinked organometallic block copolymers and process for production thereof | Seishi Yajima, Kiyohito Okamura, Yoshio Hasegawa | 1982-08-31 |
| 4342712 | Process for producing continuous inorganic fibers | Seishi Yajima, Kiyohito Okamura, Yoshio Hasegawa | 1982-08-03 |