Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10167575 | Nanofiber manufacturing method and nanofiber manufacturing device | Tooru Ogura, Toshinao Arai | 2019-01-01 |
| 10052807 | Fiber manufacturing method, non-woven fabric manufacturing method, and fiber manufacturing equipment | Shigehisa Sugiyama, Seiji Kasahara, Yasuhisa Shimoda, Masahiro Esaki | 2018-08-21 |
| 7922947 | Method of producing dispersion | — | 2011-04-12 |
| 7754125 | Solution casting method and apparatus | — | 2010-07-13 |
| 7410605 | Solution film-forming method | Takuro Nishimura, Tadahiro Tsujimoto | 2008-08-12 |
| 7291660 | Method of producing high concentration polymer solution | Tadahiro Tsujimoto, Misao Takahashi | 2007-11-06 |
| 7276139 | Method for concentrating solution | Tadahiro Tsujimoto, Misao Takahashi | 2007-10-02 |
| 7252743 | Method for concentrating solution | Tadahiro Tsujimoto, Misao Takahashi | 2007-08-07 |
| 7160021 | Apparatus containing cooling and warming devices for the preparation of a polymer solution | Hidekazu Yamazaki, Tadahiro Tsujimoto | 2007-01-09 |
| 7060214 | Polymer resin film and its production | Tadahiro Tsujimoto, Toshikazu Nakamura | 2006-06-13 |
| 7011881 | Polymer resin film and its production | Tadahiro Tsujimoto, Toshikazu Nakamura | 2006-03-14 |
| 6902383 | Apparatus containing cooling and warming devices for the preparation of a polymer solution | Hidekazu Yamazaki, Tadahiro Tsujimoto | 2005-06-07 |
| 6773497 | Cellulose acylate film and method of producing thereof | — | 2004-08-10 |
| 6767500 | Film formation method capable of preventing fluctuation of ribbon | Hidekazu Yamazaki, Toshikazu Nakamura | 2004-07-27 |
| 6367960 | Apparatus containing cooling and warming devices for the preparation of a polymer solution | Hidekazu Yamazaki, Tadahiro Tsujimoto | 2002-04-09 |
| 6368534 | Solution casting process | Toshikazu Nakamura | 2002-04-09 |
| 5973109 | Process for the preparation of polymer solution | Hidekazu Yamazaki, Tadahiro Tsujimoto | 1999-10-26 |
| 5783121 | Preparation of a polymer solution | Hidekazu Yamazaki, Tadahiro Tsujimoto | 1998-07-21 |