Issued Patents All Time
Showing 76–92 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9644056 | Compound, resin and photoresist composition | Tatsuro Masuyama, Koji Ichikawa | 2017-05-09 |
| D784179 | Butterfly finger ring | — | 2017-04-18 |
| D778764 | Spider finger ring | — | 2017-02-14 |
| 9405191 | Resin, resist composition and method for producing resist pattern | Masahiko Shimada, Koji Ichikawa | 2016-08-02 |
| 8741543 | Resist composition and method for producing resist pattern | Koji Ichikawa, Satoshi Yamaguchi | 2014-06-03 |
| 8685617 | Salt, photoresist composition and process for producing photoresist pattern | Koji Ichikawa, Isao Yoshida | 2014-04-01 |
| 8592132 | Resist composition and method for producing resist pattern | Koji Ichikawa, Satoshi Yamaguchi | 2013-11-26 |
| 8212028 | Method for producing ε-caprolactam and method for producing pentasil type zeolite | Tatsuya Okubo, Tsuyoshi Matsushita, Tatsuya Suzuki | 2012-07-03 |
| 7989139 | Azo-metal chelate dye and optical recording medium | Kenichi Satake, Yuko Naitou, Hisashi Shoda | 2011-08-02 |
| 7973085 | Gel composition | Akira Ishikubo, Takashi Ohmori | 2011-07-05 |
| 7642036 | Azo-metal chelate dye and optical recording medium | Kenichi Satake, Yuko Naitou, Hisashi Shoda | 2010-01-05 |
| 6771579 | Optical recording method and optical recording medium | — | 2004-08-03 |
| 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, Yutaka Kurose, Shuichi Maeda | 2001-09-04 |
| 6232036 | Optical recording disk | Yuko Okamoto, Michikazu Horie, Yutaka Kurose, 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, Yutaka Kurose, Shuichi Maeda | 2001-05-01 |
| 6226255 | High density optical recordable medium and method for recording | Yuko Ohkijima, Takako Kobayashi, Yutaka Kurose, Shuuichi Maeda | 2001-05-01 |
| 6214519 | Optical recording medium | Michikazu Horie, Syuichi Maeda, Yutaka Kurose, Yuko Okamoto | 2001-04-10 |