Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250872 | Discharge lamp unit having improved discharge tube mount | Yukio Wakimizu, Hirohiko Ohshio, Yonemasa Yoshida, Masami Handa | 1993-10-05 |
| 5186671 | Manufacturing method of discharge lamp electrode | Masakazu Nagasawa, Masami Handa, Kunio Fukai | 1993-02-16 |
| 5043624 | Electric lamp assembly having a band connected to integrally formed metal pieces on a base | Mitsuhiro Okano | 1991-08-27 |
| 4879491 | Electric lamp assembly | Susumu Kanematsu, Yasuyoshi Numajiri, Mikio Watanabe, Mitsuhiro Okano | 1989-11-07 |