Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6277946 | Method for preparation of polycarbonates | Johannes Jacobus van Heijkant, Christopher Poirier, Tomoaki Shimoda, Carlos Godinez Seoane | 2001-08-21 |
| 6204352 | Apparatus for manufacturing polycarbonate | Takato Kimura, Satoshi Omori, Ken Tamada | 2001-03-20 |
| 6197917 | Method for manufacturing polycarbonate for optical use | Takato Kimura, Satoru Omori, Ryozo Sato, Tomoaki Shimoda | 2001-03-06 |
| 6177536 | Method for quenching of catalyst in the production of low molecular weight polycarbonates | Takayoshi Anamizu, Tomoaki Shimoda, Raphael Mestanza | 2001-01-23 |
| 5886132 | Method for controlling the effective level of catalyst during the preparation of a polycarbonate polymer by transesterification | Godavarthi Satyanarayana Varadarajan, Tomoaki Shimoda, Satoru Minami | 1999-03-23 |
| 5833848 | Filter for high-viscosity fluids | Kenichi Tominari, Yasujiro Shigeta, Eiji Tada | 1998-11-10 |
| 5760156 | Manufacturing method for polycarbonate | Satoshi Inoki, Yoshio Motoyama, Hideto Matsuoka, Hajime Oyoshi, Michio Tanaka +2 more | 1998-06-02 |
| 5525701 | Method for the manufacture of aromatic polycarbonate | Kenichi Tominari, Takeshi Sakashita, Kimiyoshi Miura, Tomoaki Shimoda | 1996-06-11 |
| 5514767 | Hot-melt polycondensation method for manufacturing a polycarbonate composition | Takeshi Sakashita, Tomoaki Shimoda, Takashi Nagai, Kenichi Tominari | 1996-05-07 |
| 5502153 | Method for preparing optical-grade polycarbonate compositions | Takeshi Sakashita, Tomoaki Shimoda, Kimiyoshi Miura, Kenichi Tominari | 1996-03-26 |
| 5364926 | Preparing method of polycarbonate resin compounds for the optical use | Takeshi Sakashita, Tomoaki Shimoda, Kimiyoshi Miura, Kenichi Tominari | 1994-11-15 |