Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974470 | Heat-generative, steam generation sheet for face | Satoshi Tsunakawa, Conni Weaver, Yoshiaki Kumamoto, Takao Orii, Haruyo Kojima | 2005-12-13 |
| 6841041 | Method for producing pulp molded article | Yoshiaki Kumamoto, Kenichi Otani, Shinji Otakura, Tokuo Tsuura, Toshiyuki Suga +1 more | 2005-01-11 |