Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5212952 | Compact power supply and lubricant affording device therefor | Yoshiharu Yokoyama, Shigeru Akiyama | 1993-05-25 |
| 5121715 | Compact power supply | Eiji Nogami, Hironori Nakayama | 1992-06-16 |