Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838033 | Heat insulating support device for cryogenic equipment | Yuuichi Yamamoto, Tadaaki Nakamura, Takashi Murai | 1989-06-13 |
AH
Akemi Hijikata
Overall (1989): #134,804 of 140,708Top 100%
1
Patents 1989