Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304377 | Fluorescent lamp | Toshiharu Fujita, Hiroyoshi Yamazaki, Noriyuki Maeda, Kazutaka Shimizu, Norihiko Tanaka +5 more | 1989-10-31 |
MK
Makoto Kosaka
Overall (1989): #80,475 of 140,708Top 60%
1
Patents 1989