Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8657578 | Gear box for wind turbine generator and wind turbine generator | Keita Nakashima, Takafumi Yoshida, Hiroaki Takeuchi, Katsuhiko Shoda | 2014-02-25 |
| 8341840 | Method of repairing bearing of wind turbine generator | Keiichirou Kawano, Yuji Matsunami, Shiro Takada, Yukio Akizuki, Hiroaki Takeuchi | 2013-01-01 |
| 6521721 | Polymer production process | Yoshihiro Maeda, Shigeru Yamaguchi, Shorbu Shioji | 2003-02-18 |
| 6417392 | Method for production of alkylamino(Meth)acrylate and apparatus therefor | Hideaki Nagano, Tadayoshi Kawashima, Tetsuya Kajihara, Sumio Nakashima | 2002-07-09 |
| 5073612 | Hydrophilic polymer and method for production thereof | Yoshio Irie, Shigeyasu Morihiro, Teruaki Fujiwara, Masazumi Sasabe | 1991-12-17 |
| 4920202 | Method for production of hydrophilic polymer from hydrated gel polymer | Yoshio Irie, Takumi Hatsuda, Kazumasa Kimura, Nobuyuki Harada, Kunihiko Ishizaki +2 more | 1990-04-24 |