Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7320773 | Biodegradable laminate sheet and molded item from biodegradable laminate sheet | — | 2008-01-22 |
| 7235287 | Biodegradable laminated sheet | — | 2007-06-26 |
| 6180015 | Plastic filter for a photograph developing apparatus | Hiroharu Masano, Kanji Ueyama | 2001-01-30 |
| 5804074 | Porous plastic filter and process for its production | Yoshimi Takiguchi, Takayuki Watanabe, Hiroharu Masano | 1998-09-08 |