Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5789854 | Cathode ray tube | Suguru Fujii, Mikako Maeda | 1998-08-04 |
| 5770258 | Cathode-ray tube and method of producing the same | Hiroshi Okuda | 1998-06-23 |
| 5698258 | Method of producing a cathode-ray tube including first and second transparent layers of high and low refractive indices formed on a face plate to thereby lower electromagnetic wave emission and reduce external light reflection | Hiroshi Okuda | 1997-12-16 |
| 5519282 | Cathode-ray tube and method of producing the same | Hiroshi Okuda | 1996-05-21 |
| 5451840 | Cathode-ray tube providing protection from alternating electric fields | Fumio Abe, Kouji Shingai, Hiroshi Okuda, Tetsuya Yamaguchi | 1995-09-19 |