Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859886 | Portable engine-operated electric generator | Yoshio Tanaka, Takao Nishida, Yasushi Fujita | 1989-08-22 |
SF
Shigeru Fujii
Overall (1989): #58,037 of 140,708Top 45%
1
Patents 1989