Issued Patents All Time
Showing 1–25 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8288058 | Binder for fuel cell, composition for forming electrode, electrode, and fuel cell using the electrode | Masahiro Toriida, Junichi Ishikawa, Takehiko Omi, Satoko Fujiyama, Kuniyuki Takamatsu | 2012-10-16 |
| 7345135 | Crosslinkable aromatic resin having protonic acid group, and ion conductive polymer membrane, binder and fuel cell using the resin | Junichi Ishikawa, Takashi Kuroki, Satoko Fujiyama, Takehiko Omi, Tomoyuki Nakata +3 more | 2008-03-18 |
| 7217780 | Polyether ketone and method of producing the same | Masahiro Toriida, Takashi Kuroki, Takaharu Abe, Akira Hasegawa, Kuniyuki Takamatsu +4 more | 2007-05-15 |
| 6916898 | Process for producing polyimide | Takashi Kuroki, Atsushi Shibuya | 2005-07-12 |
| 6917275 | Magnetic core and magnetic core-use adhesive resin composition | Takashi Ono, Mitsunobu Yoshida, Nobuhiro Maruko, Takashi Kuroki, Kouichi Kanayama +1 more | 2005-07-12 |
| 6599675 | Polyimides and polyamic acids | Jun Kamada, Ken-ichi Goto, Takashi Kuroki | 2003-07-29 |
| 6531568 | Polyimide containing crosslinkable group and process for producing the same | Atsushi Shibuya, Tomomi Okumura, Hideaki Oikawa, Yoshihiro Sakata, Takashi Kuroki +1 more | 2003-03-11 |
| 6458912 | Crystalline polyimide for melt molding with satisfactory thermal stability | Takashi Kuroki, Yoshihiro Sakata, Tomomi Okumura, Atsushi Shibuya, Yuichi Okawa +5 more | 2002-10-01 |
| 6103806 | Polyimide resin composition | Hiroyasu Kido, Masaji Yoshimura, Yasunori Yoshida, Kayako Yanagihara, Hideaki Oikawa +1 more | 2000-08-15 |
| 5916488 | Polyimide resin compositions for optical filters | Keisuke Takuma, Kazuhiro Seino, Tsutami Misawa, Wataru Yamashita | 1999-06-29 |
| 5892061 | Process for preparing isoimides | Kan Ikeda, Wataru Yamashita | 1999-04-06 |
| 5868968 | Polyimide resin compositions for optical filters | Keisuke Takuma, Kazuhiro Seino, Tsutami Misawa, Wataru Yamashita | 1999-02-09 |
| 5821319 | Liquid crystal polyamide-imide copolymer | Atsushi Shibuya, Yuichi Okawa, Masahiro Ohta, Akihiro Yamaguchi | 1998-10-13 |
| 5763537 | Polyimide based resin composition | Tomomi Yoshimura, Wataru Yamashita, Akihiro Yamaguchi | 1998-06-09 |
| 5719256 | Process for preparing polycondensation polymer compound | Yukiko Mori, Kenichi Goto, Katsuji Watanabe, Osamu Kohgo, Kotaro Shimizu +5 more | 1998-02-17 |
| 5708128 | Linear polyamic acid, linear polyimide and thermoset polyimide | Hideaki Oikawa, Masahiro Ohta, Akihiro Yamaguchi | 1998-01-13 |
| 5525704 | Resin forming compositions | Norimasa Yamaya, Masahiro Ohta, Akihiro Yamaguchi | 1996-06-11 |
| 5508377 | Polyimide | Wataru Yamashita, Yuichi Okawa, Akihiro Yamaguchi | 1996-04-16 |
| 5506311 | Polyimides, process for the preparation thereof and polyimide resin compositions | Masahiro Ohta, Saburo Kawashima, Katsuaki Iiyama, Hideaki Oikawa, Akihiro Yamaguchi | 1996-04-09 |
| 5506291 | Polyimide resin composition having excellent fatigue resistance and injection molded article of same | Yuichi Okawa, Yoshihiro Sakata, Wataru Yamashita, Katsuaki Iiyama, Akihiro Yamaguchi | 1996-04-09 |
| 5494996 | Polyimide resin composition | Yuichi Okawa, Wataru Yamashita, Yoshihiro Sakata, Hideaki Oikawa, Keizaburo Yamaguchi +3 more | 1996-02-27 |
| 5484948 | Bismaleimide compounds | Keizaburo Yamaguchi, Tatsuhiro Urakami, Yoshimitsu Tanabe, Midori Yamazaki, Norimasa Yamaya +2 more | 1996-01-16 |
| 5484880 | Polyimide | Wataru Yamashita, Yuichi Okawa, Mitsunori Matsuo, Tsutomu Ishida, Keizaburo Yamaguchi +1 more | 1996-01-16 |
| 5480965 | Readily soluble, amorphous polyimide, and preparation process of same | Wataru Yamashita, Yuichi Okawa, Hideaki Oikawa, Tadashi Asanuma, Yuko Ishihara +3 more | 1996-01-02 |
| 5470943 | Polyimide | Yoshihiro Sakata, Wataru Yamashita, Yuichi Okawa, Tsutomu Ishida, Mitsunori Matsuo +2 more | 1995-11-28 |