Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538385 | Cathode-ray tube and flat electrode of electronic gun and production method | Takehisa Yoshikawa, Keii Ueno, Naozumi Hatada, Satoru Endo, Takeshi Mera +2 more | 2003-03-25 |