Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4789049 | Signal transmitting equipment for elevator | Eiki Watanabe | 1988-12-06 |
TS
Takesi Sakurada
Overall (All Time): #3,964,123 of 4,157,543Top 100%
1
Patents All Time