Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5764523 | Electronic watt-hour meter | Tooru Yoshinaga, Katuhiko Takahashi | 1998-06-09 |
ST
Shinzou Tamai
Overall (All Time): #3,686,620 of 4,157,543Top 90%
1
Patents All Time