Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021370 | Ceramic fibers and a process for producing the same | Toshikatsu Ishikawa, Hiroshi Ichikawa, Shiro Mitsuno | 1991-06-04 |
| 4779563 | Ultrasonic wave vibration apparatus for use in producing preform wire, sheet or tape for a fiber reinforced metal composite | Toshikatsu Ishikawa, Yoshikazu Imai, Yoichi Nagata | 1988-10-25 |
| 4769195 | Manufacturing a silicon carbide fiber reinforced glass composite using plasma spraying | Toshikatsu Ishikawa, Hiroshi Ichikawa, Yoshikazu Imai, Masanobu Umezawa | 1988-09-06 |
| 4726980 | Electromagnetic wave absorbers of silicon carbide fibers | Toshikatsu Ishikawa, Hiroshi Ichikawa, Kenji Ushikoshi | 1988-02-23 |
| 4717589 | Method for manufacturing a silicon carbide fiber reinforced glass composite | Toshikatsu Ishikawa, Hiroshi Ichikawa, Yoshikazu Imai, Masanobu Umezawa | 1988-01-05 |
| 4649060 | Method of producing a preform wire, sheet or tape fiber reinforced metal composite | Toshikatsu Ishikawa, Yoshikazu Imai, Yoichi Nagata | 1987-03-10 |
| 4440571 | Process for the surface treatment of inorganic fibers for reinforcing titanium or nickel and product | Toshikatsu Ishikawa, Junichi Tanaka, Tatsuya Okamura, Tokuji Hayase | 1984-04-03 |
| 4356158 | Process for producing carbon fibers | Toshikatsu Ishikawa, Akira Yokoyama, Tetsuo Yanagi, Hirofumi Harada | 1982-10-26 |