Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677398 | Epoxy acrylate resins and their uses | Toshihiro Motoshima, Akio Karasawa, Akihiro Yamaguchi | 1997-10-14 |
| 5672462 | Optical recording medium | Tsutami Misawa, Kenichi Sugimoto, Taizo Nishimoto, Takeshi Tsuda, Hideki Umehara | 1997-09-30 |
| 5658707 | Optical recording media | Tsutami Misawa, Masatoshi Yanagimachi, Hideki Umehara, Yoshiteru Taniguchi, Sumio Hirose | 1997-08-19 |
| 5639809 | Azo compounds and polarizing films using the compounds | Yoriaki Matsuzaki, Ryu Oi, Rihoko Imai, Hisato Itoh | 1997-06-17 |
| 5630849 | Dyeing method | Taiji Kameoka, Isamu Kawamura, Isamu Ghoda, Masanobu Ajioka, Akihiro Yamaguchi +1 more | 1997-05-20 |
| 5567470 | Heat-sensitive transfer sheet containing blue dyestuff | Hitoshi Koshida, Isamu Ghoda, Tsukasa Ohyama | 1996-10-22 |
| 5387686 | Dye for heat-sensitive transfer record and ink composition for heat-sensitive transfer record | Tsukasa Ohyama, Yasushi Shimokawa, Yoriaki Matsuzaki, Isamu Ghoda, Hitoshi Koshida +4 more | 1995-02-07 |
| 5359075 | Quinophthalone compound | Tsukasa Ohyama, Yasushi Shimokawa, Yoriaki Matsuzaki, Isamu Ghoda, Hitoshi Koshida | 1994-10-25 |
| 5358536 | Dyestuff for heat-sensitive transfer record and transfer sheet containing same | Hitoshi Koshida, Isamu Ghoda, Tsukasa Ohyama | 1994-10-25 |
| 5342974 | Halogenated anthraquinone and their use as near infrared rays absorbing optical filters | Tsukasa Ohyama, Shizuo Kuroda, Hiroshi Aiga | 1994-08-30 |
| 5302573 | Transfer sheet for sublimation recording | Tsukasa Ohyama, Yasushi Shimokawa, Isamu Ghoda, Hitoshi Koshida, Akitoshi Igata | 1994-04-12 |
| 5300475 | Sublimation thermal transfer printing sheet comprising novel magenta dyestuffs | Tsukasa Ohyama, Tamio Mikoda, Isamu Ghoda, Hitoshi Koshida, Akitoshi Igata | 1994-04-05 |
| 5296445 | Dye for heat-sensitive transfer record, ink composition for heat-sensitive transfer record, and transfer sheet | Tsukasa Ohyama, Yasushi Shimokawa, Yoriaki Matsuzaki, Isamu Ghoda, Hitoshi Koshida +4 more | 1994-03-22 |
| 5248784 | 4-carbonyl-substituted coumarin compound | Tsukasa Ohyama, Kazuhiko Murayama, Yoriaki Matsuzaki, Susumu Kasamatsu, Kimitoshi Kato | 1993-09-28 |
| 5183474 | Heat-sensitive sublimation transfer cyan dye and transfer sheet | Tsukasa Ohyama, Yasushi Shimokawa, Isamu Ghoda, Hitoshi Koshida | 1993-02-02 |
| 5182409 | Preparation process of bis(1,2-diaryl-1,2-ethyolenedithiolato)nickel-based complex | Yoshihiro Irizato, Kimitoshi Katho | 1993-01-26 |
| 5182395 | Isopropyl 1-amino-4-m-toluidinoanthraquinone-2-carboxylate | Tsukasa Ohyama, Akitoshi Igata, Tamio Mikoda, Isamu Ghoda, Hitoshi Koshida | 1993-01-26 |
| 5168093 | Sublimation thermaltransfer printing sheet comprising novel magenta dyestuffs | Tsukasa Ohyama, Tamio Mikoda, Isamu Ghoda, Hitoshi Koshida, Akitoshi Igata | 1992-12-01 |
| 5158703 | Resin composition for ultraviolet luminescent screen | Kimitoshi Kato, Shizuo Kuroda, Fumio Matsui | 1992-10-27 |
| 5045434 | Visible radiation sensitive composition containing substituted 3-(benzothiazo-2-yl)-7-diethylaminocoumarin as sensitizers | Ichiro Yoshihara, Motoko Okuhara, Takao Yamamoto, Naozumi Iwasawa, Yasuo Doi +5 more | 1991-09-03 |
| 5002925 | Isopropyl 1-amino-4-m-toluidinoanthraquinone-2-carboxylate, cyan composition for sublimation transfer record and cyan composition for color toner containing it | Tsukasa Ohyama, Akitoshi Igata, Tamio Mikoda, Isamu Ghoda, Hitoshi Koshida | 1991-03-26 |
| 4954410 | Color toner composition | Tsukasa Ohyama, Isamu Ghoda, Tamio Mikoda, Hitoshi Koshida, Akitoshi Igata | 1990-09-04 |
| 4883611 | Dichroic coloring agents for liquid crystal displays | Sizuo Kuroda, Tsukasa Oyama, Hiroshi Aiga | 1989-11-28 |
| 4734218 | Dichroic azo dyestuffs and liquid crystal composition containing said dyestuffs | Kimitoshi Kato, Hiroshi Aiga, Yasuyuki Yamada, Tsutomu Nishizawa | 1988-03-29 |