Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4230209 | Means of stringing trolley wires | Yasushi Ohura, Susumu Ohwada, Akira Nakamura, Mitsuo Kitanishi, Akio Tamura | 1980-10-28 |
YN
Yakuharu Nakamura
Hitachi Cable: 1 patents #530 of 1,086Top 50%
Japanese National Railways: 1 patents #19 of 102Top 20%
Overall (All Time): #4,122,568 of 4,157,543Top 100%
1
Patents All Time