Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7905944 | Removing method and apparatus for high-melting point compound, solvent recovering method and solvent recovering apparatus | Yasuhiro Mizushima | 2011-03-15 |
| 7771639 | Polymer film producing apparatus and method | Koju Ito, Nobuyoshi Suzuki | 2010-08-10 |
| 7149031 | Polarizing filter and producing method thereof | — | 2006-12-12 |
| 7023505 | Method for stretching polymer film, polarizing film and method for producing the same, polarizer, birefringencial film and liquid crystal display device | Keiichi Taguchi | 2006-04-04 |
| 6746633 | Method for stretching polymer film, polarizing film and method for producing the same, polarizer, birefringenical film and liquid crystal display device | Keiichi Taguchi | 2004-06-08 |
| 6599458 | Cellulose triacetate film and process for producing the same | Atsushi Adachi, Toshihiko Minatoya | 2003-07-29 |