Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6528444 | Glass composition, stem and bulb for lamps | Toshifumi Kondoh, Katsuaki Iwama | 2003-03-04 |
YK
Yutaka Koyamada
Overall (2003): #84,257 of 273,478Top 35%
1
Patents 2003