Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10018390 | Air-conditioning apparatus | Daisuke Shimamoto, Yuji Motomura, Osamu Morimoto, Takayoshi Honda, Koji Nishioka | 2018-07-10 |
| 9970242 | Galling resistant drill pipe tool joint and corresponding drill pipe | Tomoyuki Narikawa, Koji Sakura, Toshihiko Fukui, Motohisa Yoshida, Takeshi Kuwano +2 more | 2018-05-15 |