Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6304044 | Color display tube device | Katsuyo Iwasaki, Toshihiko Shichijyo | 2001-10-16 |
ET
Etsuiji Tagami
Overall (All Time): #3,597,070 of 4,157,543Top 90%
1
Patents All Time