Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8790766 | Polymer film | Kenji Kato, Jun Yokoyama, Mitsuo Miura, Tsutomu Nara | 2014-07-29 |
| 8451540 | Retardation film | Kenji Kato, Noriyuki Kato, Haruaki Eto, Syoichi Nito | 2013-05-28 |
| 6888774 | Semiconductor memory device and its testing method | Takanobu Suzuki, Tamaki Tsuruda | 2005-05-03 |
| 6255436 | Aromatic polycarbonate | Masatoshi Kimura, Michio Kawai, Hiroshi Takeguchi, Hiroshi Nakano, Masayuki Nakajima | 2001-07-03 |
| 6187896 | Aromatic polycarbonate composition | Masayuki Nakajima, Michio Kawai, Junji Takano | 2001-02-13 |
| 5777064 | Production method of polycarbonate | Tsutomu Kawakami, Yuji Takeda, Katuhiro Iura | 1998-07-07 |
| 5457174 | Method for preparing polycarbonates by transesterification in a steel reactor | Mitsuhiko Masumoto, Masayuki Nakajima, Takuya Hasaki, Masahiko Ishikawa, Atsushi Hirashima | 1995-10-10 |
| 5380907 | Method for preparing aromatic carbonate | Masamichi Mizukami, Katsuhiro Iura, Takao Kawaki | 1995-01-10 |
| 5310944 | Process for producing carboxylated compound | Takao Kawaki, Yuh Miyauchi, Toshio Watanabe, Satoshi Ueno, Hiroshi Ogawa +1 more | 1994-05-10 |
| 5051309 | Anti-dazzling polycarbonate polarizing plate | Takao Kawaki, Ryozo Kawai, Masaki Nagata | 1991-09-24 |
| 4861854 | Photosensitive polyimide precursor | Akitoshi Sugio, Takao Kawaki, Makoto Kobayashi, Masahito Watanabe | 1989-08-29 |
| 4670535 | Photosensitive polyimide precursor and process for producing the same | Akitoshi Sugio, Takao Kawaki | 1987-06-02 |
| 4473705 | Process for producing oxalate diester | Hiroshi Miyamori, Tadashi Simomura, Mituo Miura | 1984-09-25 |