Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11581603 | Electric power equipment | Tatsuya Yamazaki, Norikazu Shimizu, Kunihiko Ishizuka, Keisuke Muraoka, Makoto Uchimi | 2023-02-14 |
| 10230078 | Electric power equipment | Kunihiko Ishizuka, Eri Katagiri | 2019-03-12 |