Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887436 | Defrosting system for a heat exchanger | Toshihiko Enomoto, Takashi Watanabe, Takao KOMAI, Tatsuya Mochizuki | 1989-12-19 |
YN
Yasuo Nakashima
Overall (1989): #41,931 of 140,708Top 30%
1
Patents 1989