Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7847490 | Self-ballasted fluorescent lamp and lighting apparatus | Hiroshi Kubota, Shinya Hakuta, Ryota Irie, Katsuyuki Kobayashi, Hitoshi Kawano +2 more | 2010-12-07 |
| 7256547 | Self-ballasted fluorescent lamp and luminaire | Hiroshi Kubota, Toshiyuki Hiraoka, Shinya Hakuta, Tsutomu Araki, Shinichiro Matsumoto | 2007-08-14 |