Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D888786 | Drilling tool | Hiroyuki Shimada, Kazuya Yano | 2020-06-30 |
| D882653 | Drilling tool | Hiroyuki Shimada, Kazuya Yano | 2020-04-28 |
| 10601078 | Method of producing lithium ion secondary battery | — | 2020-03-24 |