Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9755226 | Nickel-hydrogen storage battery and battery pack | Yasushi Nakamura, Akiko Okabe, Fumio Kato | 2017-09-05 |
| 9627657 | Cylindrical alkaline storage battery | Fumio Kato, Hideaki Ohyama, Kiyoshi Hayashi | 2017-04-18 |