Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8309196 | Optical recording medium, optical recording material and metal complex compound | Takashi Miyazawa, Hisashi Shoda, Kenichi Satake, Yukiko Takahashi, Mayumi Kimura +2 more | 2012-11-13 |
| 8075976 | Optical recording medium, optical recording material and metal complex compound | Takashi Miyazawa, Hisashi Shoda, Kenichi Satake, Yukiko Takahashi, Mayumi Kimura +2 more | 2011-12-13 |
| 7778145 | Optical recording medium and optical recording method of the same | Michikazu Horie, Hideyuki Kubo, Kenjirou Kiyono | 2010-08-17 |
| 7606126 | Information recording method and information recording medium | Hideki Nagano, Hironori Ota, Hideyuki Kubo, Takeshi Kuriwada | 2009-10-20 |
| 7244486 | Optical recording medium and optical recording method | Takashi Miyazawa | 2007-07-17 |
| 6284877 | Sulfonamide compound and method for its production, metal chelate compound employing the sulfonamide compound, and optical recording medium employing the metal chelate compound | Yuko Okamoto, Shuichi Maeda, Yuki SUZUKI | 2001-09-04 |
| 6232036 | Optical recording disk | Yuki SUZUKI, Yuko Okamoto, Michikazu Horie, Shuuichi Maeda | 2001-05-15 |
| 6225023 | Sulfonamide compound and method for its production, metal chelate compound employing the sulfonamide compound, and optical recording medium employing the metal chelate compound | Yuko Okamoto, Shuichi Maeda, Yuki SUZUKI | 2001-05-01 |
| 6226255 | High density optical recordable medium and method for recording | Yuki SUZUKI, Yuko Ohkijima, Takako Kobayashi, Shuuichi Maeda | 2001-05-01 |
| 6214519 | Optical recording medium | Yuki SUZUKI, Michikazu Horie, Syuichi Maeda, Yuko Okamoto | 2001-04-10 |
| 5532342 | Azo metal chelate compound | Tameichi Ochiai, Takumi Nagao, Takako Tsukahara, Satoru Imamura | 1996-07-02 |
| 5447823 | Metal chelate compound and optical recording medium using the compound | Tameichi Ochiai, Takumi Nagao, Takako Tsukahara, Satoru Imamura | 1995-09-05 |
| 4954420 | Metal-containing indoaniline compound and optical recording medium employing the compound | Shuichi Maeda, Toshio Kaneko, Michiyo Kimura, Hidemi Yoshida, Kenichi Uchino +1 more | 1990-09-04 |
| 4904567 | Optical recording member | Shuichi Maeda, Junko Wada | 1990-02-27 |
| 4837309 | Monohalo substituted triazinyl monoazo dyestuffs for cellulose-containing fibers | Toshio Niwa, Kiyoshi Himeno, Toshio Hihara, Yukiharu Shimizu | 1989-06-06 |
| 4769307 | Optical recording member | Tetsuo Ozawa, Shuichi Maeda | 1988-09-06 |
| 4756987 | Optical recording medium | Shuichi Maeda, Tetsuo Ozawa | 1988-07-12 |
| 4737443 | Optical recording medium | Toshio Niwa, Yukichi Murata, Tetsuo Ozawa, Shuichi Maeda | 1988-04-12 |