Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5269373 | Heat exchanger | Tomohiko Sagawa | 1993-12-14 |
RS
Ryuichi Seino
Hitachi: 1 patents #17,742 of 28,497Top 65%
Hitachi Automotive Engineering Co.: 1 patents #156 of 314Top 50%
Overall (All Time): #3,839,612 of 4,157,543Top 95%
1
Patents All Time