Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8967404 | Device for coupling high-speed railroad cars and method for removing device | Yoshinori Ishihara, Teruhiko Yahaba, Kazuyoshi Kitaya, Kazuki Fujii | 2015-03-03 |
KS
Kazuhiko Sagawa
East Japan Railway: 1 patents #9 of 63Top 15%
Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
Overall (All Time): #3,040,819 of 4,157,543Top 75%
1
Patents All Time