Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856574 | Electric blind apparatus | Katsuji Minami, Shinichi Murata, Susumu Tsujimoto, Yukinori Matuzaki, Susumu Osaka | 1989-08-15 |
SY
Shogo Yukawa
Nichibei Co.: 1 patents #1 of 7Top 15%
Overall (1989): #56,420 of 140,708Top 45%
1
Patents 1989