Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6445118 | Lamp having conductor structure and non-conductor structure provided between filaments | Masanori Shimizu, Kazuaki Ohkubo, Takeshi Arakawa, Kenjiro Hashimoto, Yoko Shimomura | 2002-09-03 |