Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629035 | Speed control apparatus for elevator | Tooru Tanahashi, Toshiaki Ishii | 1986-12-16 |
SM
Shuzo Mitsui
Overall (All Time): #4,006,613 of 4,157,543Top 100%
1
Patents All Time