Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582650 | Organic silicon polymer, inorganic fiber with silicon carbide base, and method of manufacture thereof | Kiyoshi Kumagawa, Michiyuki Suzuki, Hiroyuki Yamaoka | 2003-06-24 |
| 6536073 | Electric vacuum cleaner | Hiroyuki Uratani, Yoshiaki Ohnishi, Toshifumi Miyahara, Kazuma Suo, Saburo Kajikawa | 2003-03-25 |
| 6460374 | Method of manufacturing glass-impregnated fiber-reinforced ceramic | Akihito Sakai, Jun Gotoh, Keiichi Tsugeki, Yasuhiro Shioji | 2002-10-08 |
| 6071603 | Glass-impregnated fiber-reinforced ceramic and method of manufacturing the same | Akihito Sakai, Jun Gotoh, Keiichi Tsugeki, Yasuhiro Shioji | 2000-06-06 |
| 5948714 | Silicon-carbide-based inorganic fiber | Toshihiro Ishikawa, Yoshikatsu Harada, Yoshiyuki Inoue, Hiroyuki Yamaoka, Mitsuhiko Sato | 1999-09-07 |
| 5318860 | Inorganic fiber sinter and process for producing same | Takemi Yamamura, Hideki Ohtsubo, Tooru Hiratuka | 1994-06-07 |
| 5277973 | Carbon fibers having high strength and high modulus of elasticity and polymer composition for their production | Takemi Yamamura, Junichi Kugimoto, Toshihiro Ishikawa, Yasuhiro Sioji | 1994-01-11 |
| 5240888 | Inorganic fiber and process for the production thereof | Takemi Yamamura, Toshihiro Ishikawa | 1993-08-31 |
| 5207861 | Process for producing a high strength and high toughness sinter | Takemi Yamamura, Toshihiro Ishikawa, Makoto Tamura, Kiyohito Okamura, Mitsuhiko Sato | 1993-05-04 |
| 5094907 | Electromagnetic wave absorbing material | Takemi Yamamura, Toshihiro Ishikawa | 1992-03-10 |
| 4990470 | High-strength and high-toughness sinter and process for producing the same | Takemi Yamamura, Toshihiro Ishikawa, Makoto Tamura, 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, Takemi Yamamura, Toshihiro Ishikawa | 1990-10-09 |
| 4778722 | Reinforcing fibers and composite materials reinforced with said fibers | Takemi Yamamura, Toshihiro Ishikawa | 1988-10-18 |
| 4770935 | Inorganic fibrous material as reinforcement for composite materials and process for production thereof | Takemi Yamamura, Toshihiro Ishikawa, Yoshiharu Waku | 1988-09-13 |