Issued Patents All Time
Showing 51–75 of 127 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7371295 | Shape memory alloy and method for producing same | Katsunari Oikawa, Kiyohito Ishida, Ryosuke Kainuma, Yuuki Tanaka, Toru Sukigara | 2008-05-13 |
| 6803846 | Actuator | Toru Sukigara | 2004-10-12 |
| 6548921 | Linear actuator of small size | Toru Sukigara, Kazuhiro Kagawa | 2003-04-15 |
| 6103860 | Fluorine-containing polyamide | Wataru Yamashita, Tomomi Yoshimura, Atsushi Shibuya, Yoshihiro Sakata, Hideaki Oikawa | 2000-08-15 |
| 6080833 | Low-birefringent organic optical component and a spirobiindan polymer | Atsuo Otsuji, Keisuke Takuma, Rihoko Suzuki, Tatsuhiro Urakami, Toshihiro Motoshima +8 more | 2000-06-27 |
| 6065353 | Piezoelectric load sensor, and process for detecting load-applied position | Yusuke Hirabayashi | 2000-05-23 |
| 5990261 | Organic optical component | Wataru Yamashita, Tomomi Yoshimura, Atsushi Shibuya, Yoshihiro Sakata, Hideaki Oikawa +1 more | 1999-11-23 |
| 5821319 | Liquid crystal polyamide-imide copolymer | Atsushi Shibuya, Yuichi Okawa, Shoji Tamai, Akihiro Yamaguchi | 1998-10-13 |
| 5770683 | Preparation process of polyhydroxycarboxylic acid | Yasunori Yoshida, Michihiko Miyamoto, Shoji Obuchi, Kan Ideda | 1998-06-23 |
| 5708128 | Linear polyamic acid, linear polyimide and thermoset polyimide | Hideaki Oikawa, Shoji Tamai, Akihiro Yamaguchi | 1998-01-13 |
| 5650463 | Carbon fiber-reinforced polimide resin composition | Akio Matsuyama, Eiji Senoue, Fumiaki Kuwano, Osamu Yasui, Tadashi Kobayashi | 1997-07-22 |
| 5646238 | Preparation process of polyhydroxycarboxylic acid | Kan Ikeda, Shoji Obuchi | 1997-07-08 |
| 5616783 | Purification process of polyhydroxycarboxylic acid | Yasunori Yoshida, Katsuji Watanabe, Shoji Obuchi | 1997-04-01 |
| 5554765 | Bisimide compounds, polyimide resin composition prepared therefrom, and carbon fiber-reinforced polyimide resin composition | Akio Matsuyama, Eiji Senoue, Fumiaki Kuwano, Osamu Yasui, Yasunori Yoshida +2 more | 1996-09-10 |
| 5525704 | Resin forming compositions | Shoji Tamai, Norimasa Yamaya, Akihiro Yamaguchi | 1996-06-11 |
| 5514748 | Polyimide based resin composition comprising cured phenolic resins and liquid crystal polymers | Toshihiko Isutsumi, Toshiyuki Nakakura, Shuichi Morikawa, Katsunori Shimamura, Toshiaki Takahashi +7 more | 1996-05-07 |
| 5512653 | Lactic acid containing hydroxycarboxylic acid for the preparation of polhydroxycarboxylic acid | Shoji Obuchi, Yasunori Yoshida | 1996-04-30 |
| 5506311 | Polyimides, process for the preparation thereof and polyimide resin compositions | Shoji Tamai, Saburo Kawashima, Katsuaki Iiyama, Hideaki Oikawa, Akihiro Yamaguchi | 1996-04-09 |
| 5484948 | Bismaleimide compounds | Keizaburo Yamaguchi, Tatsuhiro Urakami, Yoshimitsu Tanabe, Midori Yamazaki, Shoji Tamai +2 more | 1996-01-16 |
| 5459233 | Polyimides, process for the preparation thereof and polyimide resin compositions | Shoji Tamai, Saburo Kawashima, Katsuaki Iiyama, Hideaki Oikawa, Akihiro Yamaguchi | 1995-10-17 |
| 5457154 | Bisimide compounds, polyimide resin composition prepared therefrom, and carbon fiber-reinforced polyimide resin composition | Akio Matsuyama, Eiji Senoue, Fumiaki Kuwano, Osamu Yasui, Yasunori Yoshida +2 more | 1995-10-10 |
| 5444143 | Preparation process of polyhydroxycarboxylic acid | Shoji Obuchi, Yasunori Yoshida | 1995-08-22 |
| 5440008 | Process for preparing polyhydroxycarboxylic acid | Fumiaki Ichikawa, Mineo Kobayashi, Yasunori Yoshida, Shoji Obuchi, Hiroyuki Itoh | 1995-08-08 |
| 5386004 | Polyhydroxycarboxylic acid and purification process thereof | Shoji Obuchi | 1995-01-31 |
| 5380820 | Polyimides, process for the preparation thereof and polyimide resin compositions | Masao Yoshikawa | 1995-01-10 |