Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667264 | Apparatus for controlling the starting of a three phase load with its normal phase sequence | Sigeru Yamazaki | 1987-05-19 |
| 4588353 | Submersible pump | Tomoyuki Shibata | 1986-05-13 |