Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12256746 | Sausage sticking system | Tatsuo Nakamura, Takayuki Fujimaki, Hirokatsu Harasawa, Takashi Arai | 2025-03-25 |
| 12011006 | Stick turning device for stick on which chain of sausages is suspended | Tatsuo Nakamura | 2024-06-18 |
| 6710160 | Polyamic acid, polyimide, process for producing these, and film of the polyimide | Wataru Yamashita, Katsuji Watanabe, Hisato Ito | 2004-03-23 |
| 6531568 | Polyimide containing crosslinkable group and process for producing the same | Atsushi Shibuya, Tomomi Okumura, Yoshihiro Sakata, Takashi Kuroki, Yuichi Okawa +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 |
| 6417361 | Fluorination agent and preparation and use of same | Hidetoshi Hayashi, Hiroshi Sonoda, Ken'ichi Goto, Kouki Fukumura, Junko Naruse +5 more | 2002-07-09 |
| 6344579 | Process for producing fluorinated silicon compound | Kouki Fukumura, Takashi Shimaoka, Hiroshi Sonoda, Ken'ichi Goto, Junko Naruse +2 more | 2002-02-05 |
| 6242654 | Preparation process of fluorine substituted aromatic compound | Kenichi Goto, Kouki Fukumura, Hiroshi Sonoda, Junko Naruse, Hidetoshi Hayashi | 2001-06-05 |
| 6103806 | Polyimide resin composition | Hiroyasu Kido, Masaji Yoshimura, Yasunori Yoshida, Kayako Yanagihara, Shoji Tamai +1 more | 2000-08-15 |
| 6103860 | Fluorine-containing polyamide | Wataru Yamashita, Tomomi Yoshimura, Atsushi Shibuya, Yoshihiro Sakata, Masahiro Ohta | 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 |
| 5990261 | Organic optical component | Wataru Yamashita, Tomomi Yoshimura, Atsushi Shibuya, Yoshihiro Sakata, Keisuke Takuma +1 more | 1999-11-23 |
| 5708128 | Linear polyamic acid, linear polyimide and thermoset polyimide | Shoji Tamai, Masahiro Ohta, Akihiro Yamaguchi | 1998-01-13 |
| 5506311 | Polyimides, process for the preparation thereof and polyimide resin compositions | Shoji Tamai, Masahiro Ohta, Saburo Kawashima, Katsuaki Iiyama, Akihiro Yamaguchi | 1996-04-09 |
| 5494996 | Polyimide resin composition | Shoji Tamai, Yuichi Okawa, Wataru Yamashita, Yoshihiro Sakata, Keizaburo Yamaguchi +3 more | 1996-02-27 |
| 5480965 | Readily soluble, amorphous polyimide, and preparation process of same | Wataru Yamashita, Yuichi Okawa, Tadashi Asanuma, Yuko Ishihara, Mitsunori Matsuo +3 more | 1996-01-02 |
| 5459233 | Polyimides, process for the preparation thereof and polyimide resin compositions | Shoji Tamai, Masahiro Ohta, Saburo Kawashima, Katsuaki Iiyama, Akihiro Yamaguchi | 1995-10-17 |
| 5380805 | Polyimides, process for the preparation thereof and polyimide resin compositions | Shoji Tamai, Masahiro Ohta, Saburo Kawashima, Katsuaki Iiyama, Akihiro Yamaguchi +2 more | 1995-01-10 |
| 5354839 | Polyimide and preparation process of same | Wataru Yamashita, Yoshihiro Sakata, Toshiyuki Kataoka, Yuichi Okawa, Tadashi Asanuma +4 more | 1994-10-11 |
| 5322962 | Aromatic diamine intermediates useful in the preparation of polyimide | Shoji Tamai, Keizaburo Yamaguchi, Yuko Ishihara, Saburo Kawashima, Toshiyuki Kataoka +1 more | 1994-06-21 |
| 5321096 | Polyimide composition | Yuichi Okawa, Nobuhito Koga, Tadashi Asanuma, Akihiro Yamaguchi | 1994-06-14 |
| 5288843 | Polyimides, process for the preparation thereof and polyimide resin compositions | Shoji Tamai, Masahiro Ohta, Saburo Kawashima, Katsuaki Iiyama, Akihiro Yamaguchi +2 more | 1994-02-22 |
| 5286840 | Thermally stable polyimide and preparation process of polyimide | Nobuhito Koga, Akihiro Yamaguchi, Shoji Tamai | 1994-02-15 |
| 5278276 | Polyimide and high-temperature adhesive of polyimide | Masahiro Ohta, Saburo Kawashima, Yoshiho Sonobe, Shoji Tamai, Kouji Ohkoshi +1 more | 1994-01-11 |
| 5231160 | Aromatic diamine compound, preparation process of same and polyimide prepared from same | Shoji Tamai, Keizaburo Yamaguchi, Yuko Ishihara, Saburo Kawashima, Toshiyuki Kataoka +1 more | 1993-07-27 |