Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7432507 | Plastic identifying apparatus and plastic identifying method | Hiroshi Iwamoto, Takao Hisazumi, Toshiaki Koga | 2008-10-07 |
| 7157713 | Device and method for identifying plastic | Hiroshi Iwamoto, Takao Hisazumi | 2007-01-02 |