Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6855488 | Silver halide photosensitive material | Kohzaburch Yamada | 2005-02-15 |
| 6689554 | Silver handle emulsion and silver halide photographic lightsensitive material | Kohzaburoh Yamada, Masahiko Taniguchi, Takashi Hoshimiya, Hirokazu Kyota, Masafumi Mizuno | 2004-02-10 |
| 6686140 | Silver halide photosensitive material | Kohzaburoh Yamada, Yasuhiro Shimada | 2004-02-03 |
| 6608061 | Bisaryl compound and medicament for cancer treatment comprising the same | Yoshiyuki Yonetani, Takeshi Takahashi, Yuko Kanda, Tamio Mizukami, Tatsuya Tamaoki +8 more | 2003-08-19 |
| 6444333 | Organic luminescent device material, organic luminescent device using the same, and tetraarylmethane compound | Hisashi Okada, Tadahisa Sato | 2002-09-03 |
| 6383276 | Azomethine compound and oily magenta ink | Katsuyoshi Yamakawa, Masuji Motoki, Ryo Suzuki, Tadahisa Sato, Hisashi Mikoshiba | 2002-05-07 |
| 6146822 | Thermographic or photothermographic image recording elements | Tatsuya Ishizaka, Hisashi Okamura | 2000-11-14 |
| 6132949 | Photothermographic material | Munehisa Fujita, Tatsuya Ishizaka, Akira Hatakeyama, Hisashi Okada | 2000-10-17 |
| 6120983 | Photothermographic material, novel 2,3-dihydrothiazole derivative, and photographic silver halide photosensitive material | Hisashi Okada, Ryo Suzuki, Tadashi Ikeda, Shigeo Hirano | 2000-09-19 |
| 6074813 | Polyhalomethane compound and photosensitive material | Hisashi Okada, Ichizo Toya | 2000-06-13 |
| 5952167 | Photothermographic materials | Hisashi Okada, Ichizo Toya | 1999-09-14 |
| 5869229 | Photothermographic material | Hisashi Okada, Ryo Suzuki, Shiegeo Hirano | 1999-02-09 |
| 5691271 | Indolylazaphthalides and recording materials containing the same | Naoto Yanagihara, Kiyoshi Takeuchi, Toyohisa Oya, Masanobu Takashima, Syunsaku Higashi | 1997-11-25 |
| 5464731 | Silver halide color photographic material | Nobutaka Ohki, Osamu Takahashi | 1995-11-07 |
| 5397689 | Silver halide photographic material | Nobutaka Ohki, Osamu Takahashi, Shigeo Hirano | 1995-03-14 |