Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424682 | Metal-air cell | Hirotaka Mizuhata, TOMO KITAGAWA, Toyoka Aimoto | 2025-09-23 |
| 12424683 | Method of manufacturing metal-air battery | TOMO KITAGAWA, Hirotaka Mizuhata, Keigo Mitamura, Akihito Yoshida | 2025-09-23 |
| 12334509 | Laminated battery and manufacturing method for same | Hirotaka Mizuhata, TOMO KITAGAWA, Akihito Yoshida | 2025-06-17 |
| 12278381 | Laminate battery | TOMO KITAGAWA, Hirotaka Mizuhata, Akihito Yoshida | 2025-04-15 |
| 12009521 | Negative electrode for batteries, battery, and method for producing battery | Hirotaka Mizuhata | 2024-06-11 |
| 11296374 | Metal-air battery | Shinobu Takenaka, Hirotaka Mizuhata, TOMO KITAGAWA | 2022-04-05 |
| 10971775 | Air electrode, metal-air battery, and method for producing air electrode | TOMO KITAGAWA, Hirotaka Mizuhata, Keigo Mitamura, Shinobu Takenaka | 2021-04-06 |
| 10181624 | Metal electrode cartridge and metal-air battery | Masaki Kaga, Akihito Yoshida, Hirotaka Mizuhata, Shinobu Takenaka, Masashi Muraoka +1 more | 2019-01-15 |
| 9708718 | Hydrogen production device and method for producing hydrogen | Akihito Yoshida, Masaki Kaga | 2017-07-18 |
| 9447508 | Hydrogen production device and method for producing hydrogen | Akihito Yoshida, Masaki Kaga | 2016-09-20 |
| 9190678 | Alkaline fuel cell and alkaline fuel cell system | Hirotaka Mizuhata | 2015-11-17 |
| 9029691 | Solar-cell-integrated gas production device | Akihito Yoshida, Masaki Kaga | 2015-05-12 |
| 8632663 | Hydrogen production device and method for producing hydrogen | Akihito Yoshida, Masaki Kaga | 2014-01-21 |
| 8070924 | Electrode for generation of hydrogen | Takeo Ohsaka, Miwako Nara, Yoshinori Nishiki | 2011-12-06 |