Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8093437 | Industrial process for production of diol | Hironori Miyaji, Hiroshi Hachiya, Kazuhiko Matsuzaki | 2012-01-10 |
| 8071819 | Industrial process for production of high-purity diol | Hironori Miyaji, Hiroshi Hachiya, Kazuhiko Matsuzaki | 2011-12-06 |
| 8058465 | Process for industrially producing dialkyl carbonate and diol | Hironori Miyaji, Hiroshi Hachiya, Kazuhiko Matsuzaki | 2011-11-15 |
| 8049028 | Industrial process for separating out dialkyl carbonate | Hironori Miyaji, Hiroshi Hachiya, Kazuhiko Matsuzaki | 2011-11-01 |
| 8044226 | Process for production of high-purity diaryl carbonate | Hironori Miyaji, Hiroshi Hachiya, Kazuhiko Matsuzaki | 2011-10-25 |
| 8044167 | Process for production of high-purity diaryl carbonate | Hironori Miyaji, Hiroshi Hachiya, Kazuhiko Matsuzaki | 2011-10-25 |
| 7884251 | Industrial process for separating out by-produced alcohols | Hironori Miyaji, Hiroshi Hachiya, Kazuhiko Matsuzaki | 2011-02-08 |
| 7812189 | Industrial process for production of high-purity diphenyl carbonate | Hiroshi Hachiya, Kazuhiko Matsuzaki, Hironori Miyaji | 2010-10-12 |
| 7799939 | Process for production of dialkyl carbonate and diol | Hironori Miyaji, Hiroshi Hachiya | 2010-09-21 |
| 7777067 | Industrial process for production of an aromatic carbonate | Hiroshi Hachiya, Kazuhiko Matsuzaki | 2010-08-17 |
| 7658817 | Industrial evaporation apparatus | Hiroshi Hachiya, Kazuhiko Matsuzaki | 2010-02-09 |
| 7622601 | Process for production of high-purity diaryl carbonate | Hironori Miyaji, Hiroshi Hachiya, Kazuhiko Matsuzaki | 2009-11-24 |
| 7544760 | Polymerizer device for producing an aromatic polycarbonate | Hiroshi Hachiya, Kazuhiko Matsuzaki | 2009-06-09 |
| 7531616 | Process for industrial production of an aromatic carbonate | Hiroshi Hachiya, Kazuhiko Matsuzaki | 2009-05-12 |
| 7528213 | Method for efficiently producing an aromatic polycarbonate | Hiroshi Hachiya, Kazuhiko Matsuzaki | 2009-05-05 |
| 7479258 | Method for producing an aromatic polycarbonate | Hiroshi Hachiya, Kazuhiko Matsuzaki | 2009-01-20 |
| 6429276 | Process and polymerizer for producing aromatic polycarbonate | Kyosuke Komiya | 2002-08-06 |
| 6320015 | Process for producing aromatic polycarbonate | Kyosuke Komiya, Muneaki Aminaka, Kazumi Hasegawa | 2001-11-20 |
| 5872275 | Process for the producing of aromatic carbonate | Kyosuke Komiya, Masahiro Tojo | 1999-02-16 |
| 5847189 | Method for continuously producing a dialkyl carbonate and a diol | Masahiro Tojo, Mamoru Kawamura | 1998-12-08 |
| 5840826 | Process for preparing aromatic polycarbonate | Kyosuke Komiya, Mamoru Kawamura | 1998-11-24 |
| 5747609 | Method for producing an aromatic polycarbonate having improved melt stability | Kyosuke Komiya | 1998-05-05 |
| 5214073 | Porous, crystallized, aromatic polycarbonate prepolymer, a porous, crystallized aromatic polycarbonate, and production methods | Isaburo Fukawa, Kyosuke Komiya, Yoro Sasaki | 1993-05-25 |
| 5210268 | Process for continuously producing an aromatic carbonate | Masahiro Tojo, Mamoru Kawamura | 1993-05-11 |
| 5204377 | Porous, crystallized, aromatic polycarbonate prepolymer, a porous, crystallized aromatic polycarbonate, and production methods | Isaburo Fukawa, Kyosuke Komiya, Yoro Sasaki | 1993-04-20 |