Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650463 | Carbon fiber-reinforced polimide resin composition | Masahiro Ohta, Akio Matsuyama, Fumiaki Kuwano, Osamu Yasui, Tadashi Kobayashi | 1997-07-22 |
| 5554765 | Bisimide compounds, polyimide resin composition prepared therefrom, and carbon fiber-reinforced polyimide resin composition | Masahiro Ohta, Akio Matsuyama, Fumiaki Kuwano, Osamu Yasui, Yasunori Yoshida +2 more | 1996-09-10 |
| 5457154 | Bisimide compounds, polyimide resin composition prepared therefrom, and carbon fiber-reinforced polyimide resin composition | Masahiro Ohta, Akio Matsuyama, Fumiaki Kuwano, Osamu Yasui, Yasunori Yoshida +2 more | 1995-10-10 |
| 4750910 | Indigo blue-colored bioabsorbable surgical fibers and production process thereof | Hiroshi Takayanagi, Tadashi Kobayashi, Masao Imai | 1988-06-14 |