Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37385 | Composite material and process for manufacturing same | Akane Okada, Yoshiaki Fukushima, Masaya Kawasumi, Shinji Inagaki, Arimitsu Usuki +2 more | 2001-09-18 |
| 5710273 | Complex crystal comprising tricyclic organic bases | Arimitsu Usuki, Hisato Takeuchi, Narihito Tatsuda, Akane Okada, Hiromitsu Tanaka +4 more | 1998-01-20 |
| 5646284 | Polarizable phenanthroline complex crystal having improved stability to heat and moisture | Arimitsu Usuki, Hisato Takeuchi, Narihito Tatsuda, Akane Okada, Hiromitsu Tanaka +4 more | 1997-07-08 |
| 5490426 | Method for detecting stresses | Tohru Shiga, Akane Okada, Hideroh Takahashi | 1996-02-13 |
| 5486560 | Variable-modulus material | Tohru Shiga, Yoshiharu Hirose, Akane Okada | 1996-01-23 |
| 5475043 | Material with variable viscoelasticity | Tohru Shiga, Norio Sato, Yoshiharu Hirose, Akane Okada, Takashi Ohta | 1995-12-12 |
| 5346984 | Star-shaped nylons, methods for their preparation, tetrasubstituted carboxylic acids and methods for their preparation | Naoki Hasegawa, Arimitsu Usuki, Akane Okada | 1994-09-13 |
| 5164460 | Polyimide composite material and process for producing the same | Kazuhisa Yano, Arimitsu Usuki, Akane Okada | 1992-11-17 |
| 5001172 | Fiber reinforced plastics | Yasuhiro Tsuchiya, Kenichi Sekiyama, Yuji Kageyama, Masatsugu Sakamoto, Norio Sato +1 more | 1991-03-19 |
| 4894411 | Composite material and process for producing the same | Akane Okada, Masaya Kawasumi, Masao Kohzaki, Megumi Fujimoto, Yoshitsugu Kojima +1 more | 1990-01-16 |
| 4889885 | Composite material containing a layered silicate | Arimitsu Usuki, Tadashi Mizutani, Yoshiaki Fukushima, Megumi Fujimoto, Kenzo Fukumori +3 more | 1989-12-26 |
| 4739007 | Composite material and process for manufacturing same | Akane Okada, Yoshiaki Fukushima, Masaya Kawasumi, Shinji Inagaki, Arimitsu Usuki +2 more | 1988-04-19 |
| 4486373 | Method for producing reinforced thermoplastic resin composition | Hidero Takahashi, Shigeyuki Sato, Makoto Murase, Minoru Takahara, Tamio Ohi +1 more | 1984-12-04 |