Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11945911 | Polyamic acid, varnish containing same, film, touch panel display, liquid crystal display, and organic EL display | Masaki Okazaki, Kenichi Fukukawa | 2024-04-02 |
| 11198280 | Medical film and method for producing same, medical coating composition, medical device and method for producing same | Kenichi Fukukawa, Masaki Okazaki, Hiroshi Miyasako | 2021-12-14 |
| 10351673 | Block polyimide, block polyamide acid imide and use thereof | Kenichi Fukukawa, Masaki Okazaki, Yoshihiro Sakata, Atsushi Okubo | 2019-07-16 |
| 9902810 | Polyamic acid, varnish comprising same and polyimide film | Masaki Okazaki, Kenichi Fukukawa, Yoshihiro Sakata, Atsushi Okubo | 2018-02-27 |
| 9856399 | Polyamic acid, varnish containing same, and polyimide film | Kenichi Fukukawa, Masaki Okazaki, Yoshihiro Sakata, Atsushi Okubo | 2018-01-02 |
| 9850346 | Transparent polyimide and precursor thereof | Kenichi Fukukawa, Masaki Okazaki, Yoshihiro Sakata, Atsushi Okubo | 2017-12-26 |
| 9339992 | Low-thermal-expansion block polyimide, precursor thereof, and use thereof | Kenichi Fukukawa, Yoshihiro Sakata, Wataru Yamashita, Masaki Okazaki | 2016-05-17 |
| 8513341 | Polylactic acid resin composition and molded article thereof | Choujirou Higuchi | 2013-08-20 |
| 8288463 | Polylactic acid based resin, polylactic acid based resin composition, molded body of polylactic acid based resin or polylactic acid based resin composition, and method for producing polylactic acid based resin | Chojiro Higuchi, Motoaki Isokawa | 2012-10-16 |
| 8053378 | Modified phenolic resin, epoxy resin composition containing the same, and prepreg containing the composition | Takaharu Abe, Sunao Maeda, Yukio Fukui, Masanobu Maeda, Hiroaki Narisawa | 2011-11-08 |
| 7902281 | Thermoplastic resin composition and molded article thereof | Choujirou Higuchi, Sunil Krzysztof Moorthi | 2011-03-08 |
| 7645852 | Aliphatic polyester copolymer | Yuji Terado, Masaru Wada | 2010-01-12 |
| 6911503 | Curing agent composition for epoxy resins, epoxy resin composition and use thereof | Sunao Maeda, Tomoyuki Kawabata, Koutarou Suzuki, Tadahito Nobori | 2005-06-28 |
| 6310147 | Epoxy-resin composition and use thereof | Kenichi Sugimoto, Takuo Tajima, Koutaro Suzuki, Keisuke Takuma, Tadahito Nobori +1 more | 2001-10-30 |
| 6297332 | Epoxy-resin composition and use thereof | Kenichi Sugimoto, Keisuke Takuma, Tadahito Nobori, Usaji Takaki | 2001-10-02 |
| 6130346 | Process for preparing an organic compound from an oxirane-containing compound in the presence of a tris(triaminophosphoranylideneamino)phosphine oxide | Tadahito Nobori, Takaomi Hayashi, Isao Hara, Shinji Kiyono, Atsushi Shibahara +3 more | 2000-10-10 |
| 6080833 | Low-birefringent organic optical component and a spirobiindan polymer | Atsuo Otsuji, Keisuke Takuma, Rihoko Suzuki, Toshihiro Motoshima, Wataru Yamashita +8 more | 2000-06-27 |
| 6028161 | Polycarbonate copolymer and applications thereof | Atsuo Otsuji, Rihoko Suzuki, Kenichi Sugimoto, Keisuke Takuma | 2000-02-22 |
| 5945503 | Polymaleimide resin composition and laminate plate for semiconductor substrate using it | Keisuke Takuma, Takuo Tajima, Yoshiyuki Shindo, Koutaro Suzuki, Atsuo Otsuji +1 more | 1999-08-31 |
| 5484948 | Bismaleimide compounds | Keizaburo Yamaguchi, Yoshimitsu Tanabe, Midori Yamazaki, Shoji Tamai, Norimasa Yamaya +2 more | 1996-01-16 |
| 5364967 | Aromatic diamine compounds, bismalemide compounds, thermosetting resin forming compositions therefrom, resin therefrom, and methods for their preparation | Keizaburo Yamaguchi, Yoshimitsu Tanabe, Midori Yamazaki, Shoji Tamai, Norimasa Yamaya +2 more | 1994-11-15 |
| 5206438 | Aromatic diamine compounds, bismaleimide compounds, thermosetting resin forming compositions therefrom, resins therefrom, and methods for their preparation | Keizaburo Yamaguchi, Yoshimitsu Tanabe, Midori Yamazaki, Shoji Tamai, Norimasa Yamaya +2 more | 1993-04-27 |
| 5145949 | Production process for making aromatic amine resins | Keizaburo Yamaguchi, Yoshimitsu Tanabe, Akihiro Yamaguchi, Norimasa Yamaya, Masahiro Ohta | 1992-09-08 |
| 5106953 | Aromatic amine resins, processes for producing the same and a thermosetting resin composition containing the same | Keizaburo Yamaguchi, Yoshimitsu Tanabe, Akihiro Yamaguchi, Norimasa Yamaya, Masahiro Ohta | 1992-04-21 |
| 4966961 | Polymaleimide from polyarylene polyamine and process for the preparation thereof | Yoshimitsu Tanabe, Keizaburo Yamaguchi, Akihiro Yamaguchi | 1990-10-30 |