Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6882093 | Long-life electron tube device, electron tube cathode, and manufacturing method for the electron tube device | — | 2005-04-19 |
MY
Mika Yamagishi
Overall (2005): #133,742 of 245,428Top 55%
1
Patents 2005