Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798242 | Heat exchanger for recovering heat from exhaust gases | Masahiro Kito, Katsuhiro Mori | 1989-01-17 |
TM
Takashi Mitsumoto
Overall (1989): #52,947 of 140,708Top 40%
1
Patents 1989