Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664735 | Dimmer for incandesent lamp | Kenichi Tsuchizaki | 2003-12-16 |
| 6656608 | Electroluminescent material, electroluminescent element and color conversion filter | Yoshiyuki Suzuri, Taketoshi Yamada, Kazuaki Nakamura, Noriko Ueda, Yasushi Okubo | 2003-12-02 |