Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424683 | Method of manufacturing metal-air battery | TOMO KITAGAWA, Hirotaka Mizuhata, Shunsuke Sata, Akihito Yoshida | 2025-09-23 |
| 11322786 | Air electrode, metal-air battery, and air electrode production method | Mai Takasaki, Hiroyuki Yamaji, FUMITOSHI SUGINO, Hirotaka Mizuhata, Akihito Yoshida | 2022-05-03 |
| 10971775 | Air electrode, metal-air battery, and method for producing air electrode | TOMO KITAGAWA, Hirotaka Mizuhata, Shinobu Takenaka, Shunsuke Sata | 2021-04-06 |
| 10818931 | Air electrode material, air electrode, metal-air battery, and fuel cell | — | 2020-10-27 |
| 10263258 | Air electrode material, air electrode, metal-air battery, and fuel cell | — | 2019-04-16 |
| 9535350 | Method for producing ground toner | Keiichi Kikawa, Tadayuki Sawai, Yoritaka Tsubaki, Yui Kawano, Shintaro Fukuoka | 2017-01-03 |
| 9274447 | Two-component color developer and image formation device using same | Tadayuki Sawai, Yoritaka Tsubaki, Keiichi Kikawa, Yui Kawano, Shintaro Fukuoka | 2016-03-01 |
| 9250549 | Full-color toner set, full-color developer set, image-formation method using same, and image-formation device | Shintaro Fukuoka, Tadayuki Sawai, Yoritaka Tsubaki, Yui Kawano, Keiichi Kikawa | 2016-02-02 |
| 8216759 | Electrophotographic carrier and use thereof | — | 2012-07-10 |