Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10643783 | Transformer and DC-DC converter | Yoshihiko Yamaguchi, Makoto Ohashi, Masayuki Suetomi | 2020-05-05 |
| 5934714 | Tube fitting assembly | Shojiro Sugiyama, Tsutomu Ohishi | 1999-08-10 |