Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248935 | Electronic type watthour meter including automatic measuring-error correcting function | Mitsuhiro Sakoyama, Naohide Suzuki | 1993-09-28 |
| 4783104 | Bumper assembly | Toshiro Watanabe | 1988-11-08 |