Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8840454 | Shutter device and ventilation device | Takashi Tonokakiuchi, Makoto Ishikawa, Hideyuki FUJISAWA, Nobuyuki Yasui, Kunio Kiyomoto | 2014-09-23 |
| 8186656 | Sauna device | Satoshi Fujii, Masayosi Toujyou, Shigeru Morikawa, Naoya Araki, Yasuaki Shima +6 more | 2012-05-29 |
| 7896319 | Sauna apparatus | Satoshi Fujii | 2011-03-01 |