Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12249500 | Light-emitting gas recovery method and light-emitting gas recovery apparatus | Takuya Tsukamoto, Takumi Yamane, Yasushi Mizushima, Kimiya Iwasaki | 2025-03-11 |
| 11062896 | High-pressure discharge lamp | Tomoyoshi Arimoto, Takumi Yamane, Taro ARIMOTO, Shinji Nikawa | 2021-07-13 |
| 6465949 | Incandescent lamp filament | Katsuhiko Miahara, Hiroshi Sugahara, Minoru Asao, Yutaka Yamanizu | 2002-10-15 |