Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8807127 | Steam-generating warming article | Koichi Okisaka, Ichiro Sakamoto | 2014-08-19 |
| 8357189 | Physiology enhancing device | Toru Ugajin, Kazutaka Yamashita, Katsutoshi Hara, Yoshinao Nagashima, Shuji Ishikawa +1 more | 2013-01-22 |
| 8333793 | Heat and steam generator for eye application | Kyoko Tagami | 2012-12-18 |
| 7652228 | Steam-generating warming article | Koichi Okisaka, Ichiro Sakamoto | 2010-01-26 |
| 6823860 | Steam-generating heating sheet for the eyes | Takeshi Oka | 2004-11-30 |
| 6409746 | Eye pillow | Takeshi Oka, Tadayuki Tokunaga, Shinichi Sato | 2002-06-25 |