Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9739477 | Drainage collection system | Sohei Akinaga, Hiroyuki Hatanaka, Koji Nagai, Tetsuji Namato | 2017-08-22 |
| 9500360 | Closed drain recovery system | Sohei Akinaga, Tatsuki Kobayashi, Hiroyuki Hatanaka | 2016-11-22 |
| 8757102 | Boiler | Kyousuke Ookubo, Soji Sumi | 2014-06-24 |
| 8677947 | Boiler system | Takashi Morimatsu, Shigeyoshi Matsugi, Eiki SUZUKI | 2014-03-25 |
| 6269782 | Water-tube boiler | Toshihiro Kayahara, Akinori Kawakami, Takashi Morimatsu, Koichi Wakae, Kanta Kondou +1 more | 2001-08-07 |