Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8790766 | Polymer film | Kenji Kato, Katsushige Hayashi, Jun Yokoyama, Tsutomu Nara | 2014-07-29 |
| 7872795 | Laminated body for optical purposes that includes a melanin-containing layer and an optical product which includes the laminate | Ryozo Kawai, Yoshiyuki Aoki, Masahiko Namiki | 2011-01-18 |
| 5910562 | Copolycarbonate resin and resin composition comprising the same | Osamu Kondo, Takayasu Fujimori, Yoshinori Isahaya | 1999-06-08 |
| 5880224 | Aliphatic polyester carbonate and process for producing the aliphatic polyester carbonate | Kyohei Takakuwa, Takayasu Fujimori, Maki Ito | 1999-03-09 |
| 5654380 | Aliphatic polyester carbonate and process for producing the same | Ryozo Kawai, Kyohei Takakuwa, Yoshinori Isahaya, Takayasu Fujimori, Jiro Suito +1 more | 1997-08-05 |
| 4239741 | Process for producing hydrazine sulfate | Tomiya Isshiki, Tetsuo Tomita, Toshiaki Kozaki, Osamu Aoki, Mitsuo Abe +4 more | 1980-12-16 |
| 4190372 | Apparatus for treatment of sludge deposit | Atsushi Takagi, Hiroyuki Kuroiwa, Teruo Mizuhata, Takefumi Ito, Masao Miyaguchi +1 more | 1980-02-26 |