Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11779994 | Heat exchanger and manufacturing method therefor | Hideyuki FUJISAWA | 2023-10-10 |
| 11712727 | Bend pipe and method for manufacturing same | Shoji Okuda, Hideyuki FUJISAWA | 2023-08-01 |
| 11359838 | Heat exchanger and manufacturing method therefor | Shoji Okuda, Hideyuki FUJISAWA, Taihei TERASAWA, Masaki Kondo | 2022-06-14 |
| 10533742 | Burner case and burner device provided with the burner case | Takashi Akiyama, Ryosuke Umakoshi, Taihei TERASAWA, Kenichi Sakurai, Tatsuya KARAKI | 2020-01-14 |
| 10502453 | Burner case production method and burner case | Michihisa Nakahara, Hideyuki FUJISAWA, Kenichi Sakurai, Taihei TERASAWA | 2019-12-10 |
| 10309645 | Gas supply manifold and gas combustion device provided with the same | Yuta TSUJI, Hideyuki FUJISAWA, Katsuya Imaoka, Keizo Kawano, Tatsuya KARAKI +1 more | 2019-06-04 |
| 10288313 | Gas supply manifold and production method of gas supply manifold | Michihisa Nakahara, Hideyuki FUJISAWA, Kenichi Sakurai, Yuta TSUJI, Keizo Kawano +3 more | 2019-05-14 |