Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11045386 | Steam heating mask | Hideshi Oda, Katsutoshi Hara, Keiji Yoshii | 2021-06-29 |
| 10744030 | Heating implement | Takeshi Oka, Katsutoshi Hara | 2020-08-18 |
| 9671134 | Vapor heating implement | Takeshi Oka, Yuko Shimada | 2017-06-06 |
| 8945072 | Heat generating device | Hideshi Oda, Hidetoshi Taima, Shuji Ishikawa | 2015-02-03 |