Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6890237 | Shadow mask assembly manufacturing method and cathode ray tube manufacturing method | Naomi Nishiki, Tosinobu Yokoyama, Yuji Uesugi, Kiyotaka Ihara, Ayumu Takakuwa +1 more | 2005-05-10 |
| 6857927 | Method of securing shadow mask and frame in the manufacture of a cathode ray tube | Toshifumi Nakatani, Tutomu Utsumi | 2005-02-22 |
| 6686683 | Color cathode ray tube | Futoshi Ohtsuka, Hirotoshi Watanabe | 2004-02-03 |
| 4707109 | Electrophotographic apparatus capable of editing a copy picture image | Masashi Kanno, Katsufumi Komori, Masaichirou Tatekawa, Iwane Takaoka | 1987-11-17 |