Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12172135 | Porous hollow fiber membrane | Takashi Sunohara, Toshinari Takahashi | 2024-12-24 |
| 6788368 | Transmission light-scattering layer sheet and liquid crystal display | Hiroshi Takahashi, Yoshiyuki Nishida, Masaya Omura | 2004-09-07 |
| 6632366 | Cellulose compound hollow fiber membrane | Sachiko MATSUOKA | 2003-10-14 |
| 6372136 | Cellulose acetate semipermeable membrane and process for producing the cellulose acetate semipermeable membrane | — | 2002-04-16 |
| 6177181 | Porous films, process for producing the same, and laminate films and recording sheets made with the use of the porous films | Toyozo HAMADA, Kiyoharu Mizumoto | 2001-01-23 |