Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11779994 | Heat exchanger and manufacturing method therefor | Naoki SE | 2023-10-10 |
| 11712727 | Bend pipe and method for manufacturing same | Naoki SE, Shoji Okuda | 2023-08-01 |
| 11359838 | Heat exchanger and manufacturing method therefor | Naoki SE, Shoji Okuda, Taihei TERASAWA, Masaki Kondo | 2022-06-14 |
| 11054195 | Heat exchanger and manufacturing method therefor | Yoshinori Hokada, Gaku Sato, Yukiko Kashima | 2021-07-06 |
| 10502453 | Burner case production method and burner case | Naoki SE, Michihisa Nakahara, Kenichi Sakurai, Taihei TERASAWA | 2019-12-10 |
| 10465944 | Heat exchanger and production method of the heat exchanger | Shoji Okuda | 2019-11-05 |
| 10309645 | Gas supply manifold and gas combustion device provided with the same | Yuta TSUJI, Naoki SE, Katsuya Imaoka, Keizo Kawano, Tatsuya KARAKI +1 more | 2019-06-04 |
| 10288313 | Gas supply manifold and production method of gas supply manifold | Naoki SE, Michihisa Nakahara, Kenichi Sakurai, Yuta TSUJI, Keizo Kawano +3 more | 2019-05-14 |
| 10175008 | Heat exchanger | Kazuyuki Goto, Joji Endo | 2019-01-08 |
| 10010963 | Heat exchanger and production method thereof | Yuta TSUJI, Kazuyuki Goto, Masato Yoshida, Yoshinobu Shinozaki | 2018-07-03 |
| 9970716 | Heat exchanger and production method thereof | Masahiro Iguchi, Kazuyuki Gotou, Hiroki Yamaji, Yuta TSUJI | 2018-05-15 |
| 8840454 | Shutter device and ventilation device | Yoshio Ikari, Takashi Tonokakiuchi, Makoto Ishikawa, Nobuyuki Yasui, Kunio Kiyomoto | 2014-09-23 |
| 8186656 | Sauna device | Satoshi Fujii, Masayosi Toujyou, Shigeru Morikawa, Naoya Araki, Yasuaki Shima +6 more | 2012-05-29 |