Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D464445 | Lamp bulb | Seiji Ashida | 2002-10-15 |
| 6448712 | High-pressure discharge lamp | Seiji Ashida, Kiyoshi Saita, Ariyoshi Ishizaki, Akira Itoh, Shigehisa Kawatsuru +1 more | 2002-09-10 |
| 6388394 | High-intensity discharge lamp lighting device and lighting system | Kazutoshi Mita, Seiji Ashida | 2002-05-14 |