Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815503 | Polypropylene resin composition and gas permeable film using the same | Shinji Nakata, Takanori Nakashima, Shinichi Akitaya | 2004-11-09 |
| 6700347 | Speed varying device | Hisao Sakurai | 2004-03-02 |