Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6591945 | Self propelled elevator | Takashi Yumura, Takenobu Honda | 2003-07-15 |
HK
Hiroshi Kigawa
Overall (2003): #212,274 of 273,478Top 80%
1
Patents 2003