Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476269 | Method for producing xylylenediamine | Susumu {overscore (O)}tsuka, Fumisada Kosuge, Takuji Shitara, Kazuhiko Amakawa | 2002-11-05 |
| 6398641 | Puzzle game apparatus and storage medium therefore | Hitoshi Yamagami | 2002-06-04 |
| 6348559 | Polycarbonate resin and process for producing the same | Takayasu Fujimori | 2002-02-19 |