Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879491 | Electric lamp assembly | Yasuo Hirozumi, Yasuyoshi Numajiri, Mikio Watanabe, Mitsuhiro Okano | 1989-11-07 |
| 4812703 | Electric lamp assembly | Kenji Ishii | 1989-03-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879491 | Electric lamp assembly | Yasuo Hirozumi, Yasuyoshi Numajiri, Mikio Watanabe, Mitsuhiro Okano | 1989-11-07 |
| 4812703 | Electric lamp assembly | Kenji Ishii | 1989-03-14 |