Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11670334 | Magnetic recording medium, magnetic recording and reproducing device and composition for magnetic recording medium including polyalkyleneimine compound | Wataru Kikuchi, Takashi Imai | 2023-06-06 |
| 11138998 | Magnetic recording medium, magnetic recording and reproducing device and composition for magnetic recording medium including polyalkyleneimine compound | Wataru Kikuchi, Takashi Imai | 2021-10-05 |
| 10717706 | M-phenylenediamine compound and method for producing polymer compound using same | Koji HIRONAKA, Shohei Kataoka, Masato SENOO, Tetsu Kitamura, Sotaro INOMATA +1 more | 2020-07-21 |
| 10276806 | Coating solution for non-light-emitting organic semiconductor device, organic transistor, compound, organic semiconductor material for non-light-emitting organic semiconductor device, material for organic transistor, method for manufacturing organic transistor, and method for manufacturing organic semiconductor film | Hiroaki Tsuyama, Kimiatsu Nomura, Yoshihisa Usami, Tetsu Kitamura, Masashi Koyanagi +3 more | 2019-04-30 |
| 10270044 | Coating solution for non-light-emitting organic semiconductor device, organic transistor, compound, organic semiconductor material for non-light-emitting organic semiconductor device, material for organic transistor, method for manufacturing organic transistor, and method for manufacturing organic semiconductor film | Hiroaki Tsuyama, Kimiatsu Nomura, Yoshihisa Usami, Tetsu Kitamura, Masashi Koyanagi +3 more | 2019-04-23 |
| 10131656 | Organic thin film transistor, method of manufacturing organic thin film transistor, organic thin film transistor material, organic thin film transistor composition, organic semiconductor film, and compound | Hiroaki Tsuyama, Masashi Koyanagi, Eiji Fukuzaki, Yoshihisa Usami, Tetsuya Watanabe +2 more | 2018-11-20 |
| 10115911 | Coating solution for non-light-emitting organic semiconductor device, organic transistor, compound, organic semiconductor material for non-light-emitting organic semiconductor device, material for organic transistor, method for manufacturing organic transistor, and method for manufacturing organic semiconductor film | Hiroaki Tsuyama, Kimiatsu Nomura, Yoshihisa Usami, Tetsu Kitamura, Masashi Koyanagi +3 more | 2018-10-30 |
| 8728708 | Photosensitive resin composition, oxime sulfonate compound, method for forming cured film, cured film, organic EL display device, and liquid crystal display device | Kyouhei Sakita, Wataru Kikuchi, Masanori Hikita | 2014-05-20 |
| 7497970 | Chiral agent for liquid crystal, liquid crystal composition and polymer, as well as filter for optical recording medium, optical recording medium and color filter liquid for crystal | — | 2009-03-03 |
| 7163997 | Polyether derivative and process for producing the same | Takashi Tamura | 2007-01-16 |
| 6902687 | OPTICALLY ACTIVE ISOSORBIDE DERIVATIVE AND OPTICALLY ACTIVE ISOMANNIDE DERIVATIVE, PRODUCTION METHODS THEREOF, PHOTO-REACTIVE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL COLOR FILTER, OPTICAL FILM AND RECORDING MEDIUM, METHOD FOR CHANGING HELICAL STRUCTURE OF LIQUID CRYSTAL AND METHOD FOR FIXING HELICAL STRUCTURE OF LIQUID CRYSTAL | Mitsuyoshi Ichihashi, Keiichiro Hayashi, Ryuichi Kuroiwa | 2005-06-07 |
| 6846605 | Photopolymerizable composition and recording material using same | Yuuichi Fukushige, Yoshimitsu Arai | 2005-01-25 |
| 6846540 | OPTICALLY ACTIVE POLYESTERAMIDES, PHOTOREACTIVE CHIRAL AGENTS, LIQUID CRYSTAL COMPOSITIONS, LIQUID CRYSTAL COLOR FILTERS, OPTICAL FILMS AND RECORDING MEDIA, AS WELL AS METHOD FOR CHANGING HELICAL STRUCTURE OF LIQUID CRYSTALS, AND METHOD FOR FIXING HELICAL STRUCTURE OF LIQUID CRYSTALS | Mitsuyoshi Ichihashi, Keiichiro Hayashi, Ryuichi Kuroiwa | 2005-01-25 |
| 6800219 | Liquid crystal composition, selectively reflective film and liquid crystal color filter | Mitsuyoshi Ichihashi | 2004-10-05 |
| 6800220 | OPTICALLY ACTIVE POLYESTER, PHOTOREACTIVE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL COLOR FILTER, OPTICAL FILM, RECORDING MEDIUM, METHOD OF CHANGING THE HELICAL STRUCTURE OF A LIQUID CRYSTAL, AND METHOD OF FIXING THE HELICAL STRUCTURE OF A LIQUID CRYSTAL | Mitsuyoshi Ichihashi, Kouya Kawabata | 2004-10-05 |
| 6610216 | OPTICALLY ACTIVE COMPOUND, PHOTOREACTIVE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, METHOD FOR CHANGING HELICAL STRUCTURE OF LIQUID CRYSTAL, METHOD FOR FIXING HELICAL STRUCTURE OF LIQUID CRYSTAL, LIQUID CRYSTAL COLOR FILTER, OPTICAL FILM, AND RECORDING MEDIUM | Keiichiro Hayashi, Mitsuyoshi Ichihashi | 2003-08-26 |
| 6416922 | Azomethine dye precursor, image-forming material, and image-forming method | Hiroshi Sato, Yoshimitsu Arai, Hirotaka Matsumoto | 2002-07-09 |
| 6268104 | Heat-sensitive recording material comprising a uracil coupling component | Kimi Ikeda, Hiroshi Yamamoto | 2001-07-31 |
| 6017672 | Heat-sensitive recording material | Yoshimitsu Arai, Kimiatsu Nomura | 2000-01-25 |
| 5652082 | Photosensitive bis(halomethyloxadiazole) compound and photosensitive transfer sheet using the same | Naoto Yanagihara, Ken Iwakura, Juniti Fujimori, Shinji Fujimoto, Minoru Maeda | 1997-07-29 |
| 5576441 | Photosensitive bis(halomethyloxadiazole) compound and photosensitive transfer sheet using the same | Naoto Yanagihara, Ken Iwakura, Juniti Fujimori, Shinji Fujimoto, Minoru Maeda | 1996-11-19 |
| 5489499 | Photosensitive trihalomethyl-s-triazine compound and photopolymerizable composition | — | 1996-02-06 |