Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9746197 | Bathroom air-conditioner | Yoshimasa Katsumi, Yoshihiro Nishizuru, Kazuhiro Saitou, Masafumi Tsubouchi, Yuuji Sugata +1 more | 2017-08-29 |
| 8539788 | Ventilating and air conditioning apparatus | Yoshimasa Katsumi, Hiroyuki Kondou, Masafumi Tsubouchi | 2013-09-24 |