Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6290026 | Hydraulic elevator | — | 2001-09-18 |
| 5078236 | Power unit for hydraulic elevator | Motoo Shimoaki, Yoshio Kamiya, Hiroshi Usida, Tatsuro Miyake | 1992-01-07 |
YT
Yukihiro Takigawa
Overall (All Time): #2,230,618 of 4,157,543Top 55%
2
Patents All Time