Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7611767 | Foot warming heating element and method of manufacturing foot warming heating element | Kaoru Usui, Michio Aida, Hisao Kimura, Masato Nakamura, Toshihiro Dodo | 2009-11-03 |
| D596305 | Heating external application material | Kaoru Usui, Yukio Urume, Kenichi Iwamoto | 2009-07-14 |
| D583958 | Heating external application material | Kaoru Usui, Yukio Urume, Kenichi Iwamoto | 2008-12-30 |