Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7577004 | Switching regulator and image forming apparatus and its control method | — | 2009-08-18 |
| 7355864 | Switching regulator and its control method | — | 2008-04-08 |
| 7256547 | Self-ballasted fluorescent lamp and luminaire | Hiroshi Kubota, Toshiyuki Hiraoka, Shinya Hakuta, Tsutomu Araki, Mari Nakamura | 2007-08-14 |
| 6794801 | Compact selfballasted fluorescent lamp and luminaire | Takeo Yasuda, Masahiro Toda, Tsutomu Araki, Toshiyuki Hiraoka, Yoshiyuki Matsunaga | 2004-09-21 |
| 4320977 | Method for optically assaying liquid samples with polyganol transparent stirrer | — | 1982-03-23 |