Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9621098 | Voltage control device and voltage control method | Tetsuo Yoshida | 2017-04-11 |
| 5269373 | Heat exchanger | Ryuichi Seino | 1993-12-14 |
TS
Tomohiko Sagawa
Hitachi: 1 patents #17,742 of 28,497Top 65%
Hitachi Automotive Engineering Co.: 1 patents #156 of 314Top 50%
Komatsu: 1 patents #1,163 of 2,087Top 60%
Overall (All Time): #1,978,695 of 4,157,543Top 50%
2
Patents All Time