Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664521 | Line switch part snow melting device | Shinji Kondo, Youji Uetani, Yoshiki Hama, Jun Iguchi, Atsushi Fujisawa +1 more | 2003-12-16 |
HT
Harumi Tasaki
West Japan Railway: 1 patents #9 of 24Top 40%
Overall (All Time): #3,531,858 of 4,157,543Top 85%
1
Patents All Time