Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9746197 | Bathroom air-conditioner | Yoshimasa Katsumi, Kazuhiro Saitou, Mitunori Matubara, Masafumi Tsubouchi, Yuuji Sugata +1 more | 2017-08-29 |
| 8602398 | Bathroom sauna device | Kyou Hayasi | 2013-12-10 |
| 8327473 | Sauna device | Mitsunori MATSUBARA, Yoshimasa Katsumi, Satoshi Fujii, Bungo Takeuchi | 2012-12-11 |
| 8132795 | Bathroom sauna device | Kyou Hayasi | 2012-03-13 |
| 8070138 | Sauna apparatus | Kazuhiro Saitou | 2011-12-06 |