Issued Patents All Time
Showing 76–100 of 127 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380805 | Polyimides, process for the preparation thereof and polyimide resin compositions | Shoji Tamai, Saburo Kawashima, Katsuaki Iiyama, Hideaki Oikawa, Akihiro Yamaguchi +2 more | 1995-01-10 |
| 5374708 | Formed polyimide article | Shoji Tamai, Akihiro Yamaguchi, Masumi Saruwatari | 1994-12-20 |
| 5364967 | Aromatic diamine compounds, bismalemide compounds, thermosetting resin forming compositions therefrom, resin therefrom, and methods for their preparation | Keizaburo Yamaguchi, Tatsuhiro Urakami, Yoshimitsu Tanabe, Midori Yamazaki, Shoji Tamai +2 more | 1994-11-15 |
| 5359117 | Processes for producing aromatic polycarbonate oligomer and aromatic polycarbonate | Yoshiyuki Totani, Motokazu Hirao, Tomonori Ito, Masakatsu Nakatsuka, Akihiro Yamaguchi +4 more | 1994-10-25 |
| 5312866 | Polyimide based resin composition | Toshihiko Tsutsumi, Toshiyuki Nakakura, Shuichi Morikawa, Katsunori Shimamura, Toshiaki Takahashi +7 more | 1994-05-17 |
| 5288843 | Polyimides, process for the preparation thereof and polyimide resin compositions | Shoji Tamai, Saburo Kawashima, Katsuaki Iiyama, Hideaki Oikawa, Akihiro Yamaguchi +2 more | 1994-02-22 |
| 5278276 | Polyimide and high-temperature adhesive of polyimide | Saburo Kawashima, Yoshiho Sonobe, Shoji Tamai, Hideaki Oikawa, Kouji Ohkoshi +1 more | 1994-01-11 |
| 5268447 | Readily processable polyimide and preparation process of same | Shoji Tamai, Akihiro Yamaguchi | 1993-12-07 |
| 5268446 | Readily processable polyimide and preparation process of same | Shoji Tamai, Akihiro Yamaguchi | 1993-12-07 |
| 5237044 | Polyimide sheet and preparation process of the sheet | Masumi Saruwatari, Shoichi Tsuji, Masami Nakano, Shinobu Moriya, Toshiyuki Nakakura | 1993-08-17 |
| 5233011 | Process for preparing insulated wire | Masumi Saruwatari, Shoichi Tsuji, Masami Nakano, Shinobu Moriya, Toshiyuki Nakakura | 1993-08-03 |
| 5210174 | Preparation process of polyimide | Shoji Tamai, Hideaki Oikawa, Akihiro Yamaguchi | 1993-05-11 |
| 5206438 | Aromatic diamine compounds, bismaleimide compounds, thermosetting resin forming compositions therefrom, resins therefrom, and methods for their preparation | Keizaburo Yamaguchi, Tatsuhiro Urakami, Yoshimitsu Tanabe, Midori Yamazaki, Shoji Tamai +2 more | 1993-04-27 |
| 5205894 | Polyimide and high-temperature adhesive of polyimide | Saburo Kawashima, Yoshiho Sonobe, Shoji Tamai, Hideaki Oikawa, Kouji Ohkoshi +1 more | 1993-04-27 |
| 5196506 | Polymide | Shoji Tamai, Akihiro Yamaguchi | 1993-03-23 |
| 5157085 | Polyimide resin composition | Saburo Kawashima, Katsuaki Iiyama, Shoji Tamai, Hideaki Oikawa, Akihiro Yamaguchi | 1992-10-20 |
| 5145949 | Production process for making aromatic amine resins | Keizaburo Yamaguchi, Yoshimitsu Tanabe, Tatsuhiro Urakami, Akihiro Yamaguchi, Norimasa Yamaya | 1992-09-08 |
| 5112899 | Thermosetting resin composition | Norimasa Yamaya, Akihiro Yamaguchi | 1992-05-12 |
| 5106937 | Thermosetting resin from penta arylene bis maleimide | Norimasa Yamaya, Shoji Tamai, Akihiro Yamaguchi | 1992-04-21 |
| 5106953 | Aromatic amine resins, processes for producing the same and a thermosetting resin composition containing the same | Keizaburo Yamaguchi, Yoshimitsu Tanabe, Tatsuhiro Urakami, Akihiro Yamaguchi, Norimasa Yamaya | 1992-04-21 |
| 5104962 | Thermosetting resin composition from pentaphenylene diamine | Norimasa Yamaya, Akihiro Yamaguchi | 1992-04-14 |
| 5097871 | Pipe for pipe jacking | — | 1992-03-24 |
| 5087689 | Polyimide and high-temperature adhesive of polyimide based on meta-phenoxy diamines | Saburo Kawashima, Yoshiho Sonobe, Shoji Tamai, Hideaki Oikawa, Kouji Ohkoshi +1 more | 1992-02-11 |
| 5086125 | Polyimide resin composition | Saburo Kawashima, Katsuaki Iiyama, Shoji Tamai, Hideaki Oikawa, Akihiro Yamaguchi | 1992-02-04 |
| 5084507 | Thermosetting resin composition | Norimasa Yamaya, Akihiro Yamaguchi | 1992-01-28 |