Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7410605 | Solution film-forming method | Takuro Nishimura, Yukihiro Katai | 2008-08-12 |
| 7390434 | Method and apparatus for producing film from polymer solution, and optical polymer film | — | 2008-06-24 |
| 7361295 | Solvent casting process | — | 2008-04-22 |
| 7291660 | Method of producing high concentration polymer solution | Yukihiro Katai, Misao Takahashi | 2007-11-06 |
| 7276139 | Method for concentrating solution | Yukihiro Katai, Misao Takahashi | 2007-10-02 |
| 7252743 | Method for concentrating solution | Yukihiro Katai, Misao Takahashi | 2007-08-07 |
| 7160021 | Apparatus containing cooling and warming devices for the preparation of a polymer solution | Hidekazu Yamazaki, Yukihiro Katai | 2007-01-09 |
| 7132074 | Solvent casting process | Toshinao Arai, Hidekazu Yamazaki | 2006-11-07 |
| 7060214 | Polymer resin film and its production | Yukihiro Katai, Toshikazu Nakamura | 2006-06-13 |
| 7011881 | Polymer resin film and its production | Yukihiro Katai, Toshikazu Nakamura | 2006-03-14 |
| 6902383 | Apparatus containing cooling and warming devices for the preparation of a polymer solution | Hidekazu Yamazaki, Yukihiro Katai | 2005-06-07 |
| 6600034 | Method of producing cellulose polymers | Tadahisa Sato, Katsuyoshi Yamakawa, Hiroshi Onishi | 2003-07-29 |
| 6548660 | Producing method of cellulose polymer | Tadahisa Sato, Katsuyoshi Yamakawa, Hiroshi Onishi | 2003-04-15 |
| 6367960 | Apparatus containing cooling and warming devices for the preparation of a polymer solution | Hidekazu Yamazaki, Yukihiro Katai | 2002-04-09 |
| 5973109 | Process for the preparation of polymer solution | Hidekazu Yamazaki, Yukihiro Katai | 1999-10-26 |
| 5783121 | Preparation of a polymer solution | Hidekazu Yamazaki, Yukihiro Katai | 1998-07-21 |
| 5552188 | Method and apparatus for high speed, thin layer coating | Yoshinori Suzuki, Satoru Fujisaki | 1996-09-03 |
| 5439708 | Slide hopper-type method for coating moving web having reduced streaking | Takashi Ito, Nobuo Takeuchi, Misao Takahashi | 1995-08-08 |
| 5374470 | Support for photographic photosensitive materials having a magnetic recording layer, a first cellulose acetate layer and a second cellulose acetate layer intermediate the magnetic layer and first cellulose acetate layer | Yoshio Sakakibara, Morio Hashimoto | 1994-12-20 |