Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525037 | Tetracarboxylic dianhydride, polyimide precursor resin and solution thereof, and polyimide and solution thereof | Asako KYOBU | 2022-12-13 |
| 11136435 | Method for producing polyimide film, polyimide film, polyamic acid solution, and photosensitive composition | Kunihiro Noda, Hiroki Chisaka, Dai Shiota | 2021-10-05 |
| 10954340 | Polyimide precursor composition | Kunihiro Noda, Hiroki Chisaka, Dai Shiota | 2021-03-23 |
| 10513582 | Tetracarboxylic dianhydride, polyamic acid, polyimide, methods for producing the same, and polyamic acid solution | Masaki Noguchi, Daisuke Watanabe, Ryuichi Ueno, Takaya Matsumoto | 2019-12-24 |
| 9768328 | Transparent film, transparent electro-conductive laminate, and touch panel, solar cell, and display device using the same | Akira Shiibashi, Rieko Fujishiro, Ryuichi Ueno, Takaya Matsumoto | 2017-09-19 |
| 9586887 | Method for producing ester compound | Daisuke Watanabe, Masaki Noguchi, Akira Shiibashi, Takaya Matsumoto | 2017-03-07 |
| 9456495 | Norbornane-2-spiro-α-cycloalkanone-α′-spiro-2″-norbornane-5,5″,6,6″-tetracarboxylic dianhydride, norbornane-2-spiro-α-cycloalkanone-α′-spiro-2″-norbornane-5,5″,6,6″-tetracarboxylic acid and ester thereof, method for producing norbornane-2-spiro-α-cycloalkanone-α′-spiro-2″-norbornane-5,5″,6,6″-tetracarboxylic dianhydride, polyimide obtained by using the same, and method for producing polyimide | Toshihiko Matsumoto | 2016-09-27 |
| 9403158 | Method for producing ester compound and palladium catalyst used in the method | Akira Shibashi, Takaya Matsumoto | 2016-08-02 |
| 9399703 | Polyimide and alicyclic tetracarboxylic dianhydride used for producing the same | Rieko Fujishiro, Miki Fujiwara, Daisuke Watanabe, Akira Shibashi, Takaya Matsumoto | 2016-07-26 |
| 8716531 | Method for producing norbornene derivative | Hisashi Sone, Takeshi Koike, Sayako Kawahama | 2014-05-06 |
| 8629303 | 5-norbornene-2-spiro-α-cycloalkanone-α′-spiro-2″-5″-norbornene and method for producing the same | Michiaki Adachi | 2014-01-14 |
| 8629226 | Retardation film, and organic EL display device and liquid crystal display device using the same | Takeshi Koike, Tetsuya Uesaka, Hisashi Sone, Yuji Takahashi | 2014-01-14 |
| 8628640 | Plasma processing unit and high-frequency electric power supplying unit | Toshihiro Hayami, Masahide Iwasaki, Junichi Takahira, Kazuyoshi Watanabe, Yuichi Sasaki | 2014-01-14 |
| 8487408 | Semiconductor device having bipolar transistor | — | 2013-07-16 |
| 8487136 | Method for producing norbornene derivative | Toshikatsu Shoko, Tadahiro Kaminade | 2013-07-16 |
| 8211514 | Reverse dispersion retardation film and liquid crystal display device using the same | Tadahiro Kaminade, Hisashi Sone, Takeshi Koike, Sayako Kawahama | 2012-07-03 |
| 7867581 | Retardation film and liquid crystal display device using the same | Toshikatsu Shoko, Tadahiro Kaminade | 2011-01-11 |
| 6580483 | Reflection-type liquid crystal display device | Shinichiro Suzuki, Suzushi Nishimura | 2003-06-17 |
| 6537624 | Liquid-crystal film | Shinichiro Suzuki, Suzushi Nishimura | 2003-03-25 |
| 6376029 | Fine particles covered by cholesteric liquid crystal | Shinichiro Suzuki, Suzushi Nishimura | 2002-04-23 |
| 5989758 | Liquid crystalline polyesters, their composition, and their uses | Suzushi Nishimura, Akira Takagi, Shinichiro Suzuki | 1999-11-23 |
| 5558244 | Oil reservoir having a cap with cylindrical baffles defining labyrinth passage | Seiji Akaike | 1996-09-24 |
| 4895037 | Rack and pinion steering apparatus | — | 1990-01-23 |
| 4706513 | Rack and pinion power steering apparatus | — | 1987-11-17 |
| 4696198 | Power assist device for automotive steering system | — | 1987-09-29 |