Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4616695 | Heat exchanger | Kenzo Takahashi, Hisao Yokoya, Hironobu Nakamura, Tadakatsu Kachi | 1986-10-14 |
NK
Nobuo Kumazaki
Overall (All Time): #4,003,309 of 4,157,543Top 100%
1
Patents All Time