Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304377 | Fluorescent lamp | Toshiharu Fujita, Hiroyoshi Yamazaki, Noriyuki Maeda, Kazutaka Shimizu, Norihiko Tanaka +5 more | 1989-10-31 |
| D303718 | Portable electric lantern | Toshiharu Fujita, Yorimitsu Nagai | 1989-09-26 |