Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8093437 | Industrial process for production of diol | Shinsuke Fukuoka, Hironori Miyaji, Hiroshi Hachiya | 2012-01-10 |
| 8071819 | Industrial process for production of high-purity diol | Shinsuke Fukuoka, Hironori Miyaji, Hiroshi Hachiya | 2011-12-06 |
| 8058465 | Process for industrially producing dialkyl carbonate and diol | Shinsuke Fukuoka, Hironori Miyaji, Hiroshi Hachiya | 2011-11-15 |
| 8049028 | Industrial process for separating out dialkyl carbonate | Shinsuke Fukuoka, Hironori Miyaji, Hiroshi Hachiya | 2011-11-01 |
| 8044167 | Process for production of high-purity diaryl carbonate | Shinsuke Fukuoka, Hironori Miyaji, Hiroshi Hachiya | 2011-10-25 |
| 8044226 | Process for production of high-purity diaryl carbonate | Shinsuke Fukuoka, Hironori Miyaji, Hiroshi Hachiya | 2011-10-25 |
| 7884251 | Industrial process for separating out by-produced alcohols | Shinsuke Fukuoka, Hironori Miyaji, Hiroshi Hachiya | 2011-02-08 |
| 7812189 | Industrial process for production of high-purity diphenyl carbonate | Shinsuke Fukuoka, Hiroshi Hachiya, Hironori Miyaji | 2010-10-12 |
| 7777067 | Industrial process for production of an aromatic carbonate | Shinsuke Fukuoka, Hiroshi Hachiya | 2010-08-17 |
| 7658817 | Industrial evaporation apparatus | Shinsuke Fukuoka, Hiroshi Hachiya | 2010-02-09 |
| 7622601 | Process for production of high-purity diaryl carbonate | Shinsuke Fukuoka, Hironori Miyaji, Hiroshi Hachiya | 2009-11-24 |
| 7544760 | Polymerizer device for producing an aromatic polycarbonate | Shinsuke Fukuoka, Hiroshi Hachiya | 2009-06-09 |
| 7531616 | Process for industrial production of an aromatic carbonate | Shinsuke Fukuoka, Hiroshi Hachiya | 2009-05-12 |
| 7528213 | Method for efficiently producing an aromatic polycarbonate | Shinsuke Fukuoka, Hiroshi Hachiya | 2009-05-05 |
| 7479258 | Method for producing an aromatic polycarbonate | Shinsuke Fukuoka, Hiroshi Hachiya | 2009-01-20 |
| 5306769 | Acetal copolymer and process for producing same | Tatsuo Sone, Tadashige Hata | 1994-04-26 |
| 5294670 | Polyacetal copolymer and composition thereof | Tadashige Hata | 1994-03-15 |
| 5288840 | Polyoxymethylene copolymer and process for producing the copolymer | Hirohisa Morishita | 1994-02-22 |
| 5206325 | Thermoplastic graft copolymer and process for producing the same | Tadashige Hata, Shiyuzi Yahiro | 1993-04-27 |
| 4535127 | Polyacetal copolymers and process for production thereof | Minoru Hamada | 1985-08-13 |
| 4493752 | Process for recovering trioxane by plural distillation | Takeshi Naito, Junzo Masamoto, Toshiyuki Iwaisako | 1985-01-15 |
| 4436900 | Process for deactivating polymerization catalyst | Toshiyuki Iwaisako, Junzo Masamoto | 1984-03-13 |
| 4399272 | Process for producing polyacetal copolymers | Hisaya Sakurai, Minoru Hamada, Muneaki Aminaka | 1983-08-16 |
| 4380620 | Process for preparing polyoxymethylenes | Minoru Hamada, Hisaya Sakurai | 1983-04-19 |
| 4377667 | Polyacetal and process of producing same | Hisaya Sakurai, Minoru Hamada | 1983-03-22 |