Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10126373 | Inspection method of secondary battery | Tomohide Sumi, Yoshio Matsuyama | 2018-11-13 |
| 10033216 | Initial charging method and production method for lithium-ion battery | Tomohide Sumi, Yoshio Matsuyama | 2018-07-24 |