Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9771465 | Polyarylene sulfide resin composition and molded article comprising same | Hidenobu Takao, Daisuke Yamamoto, Koji Yamauchi | 2017-09-26 |
| 9718928 | Block copolymer and production method of the same | Makito Yokoe, Daisuke Yamamoto, Koji Yamauchi, Kohei Yamashita | 2017-08-01 |
| 8981035 | Production method of poly (phenylene ether ether ketone) | Kohei Yamashita, Makito Yokoe, Koji Yamauchi | 2015-03-17 |
| 5260165 | Optical information recording medium | Tsutomu Satou | 1993-11-09 |
| 5002812 | Optical information recording medium, information recording method and optical information recording system using the medium | Masaakira Umehara, Tsutomu Satoh, Hideaki Ohba | 1991-03-26 |
| 4737444 | Optical information recording medium | Tsutomu Satoh | 1988-04-12 |
| 4735839 | Optical information recording medium | Tsutomu Sato, Tatsuya Eida | 1988-04-05 |