Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794801 | Compact selfballasted fluorescent lamp and luminaire | Takeo Yasuda, Masahiro Toda, Shinichiro Matsumoto, Toshiyuki Hiraoka, Yoshiyuki Matsunaga | 2004-09-21 |
| 6790564 | Photomask and manufacturing method of an electronic device therewith | Sonoko Migitaka, Tadashi Arai, Satoshi Momose, Osamu Yamaguchi | 2004-09-14 |