Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659962 | Low pressure discharge lamp | Yamazaki Hitoshi, Takeda Takao, Nakano Shizuo, Yamamoto Kouji, Ito Hiroshi | 1987-04-21 |
| 4645972 | Low pressure discharge lamp | Takeda Takao, Yamazaki Hitoshi, Nakano Shizuo, Yamamoto Kouzi, Ito Hiroshi | 1987-02-24 |