Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5228834 | Hub structure for a rotary wing aircraft | Takahiro ICHIHASHI, Kanehiro Hanayama, Shunichi Bandoh, Asao Kakinuma, Tadashi Wakatsuki | 1993-07-20 |
KY
Keizou Yamamoto
Overall (All Time): #3,828,821 of 4,157,543Top 95%
1
Patents All Time