Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5830373 | Color cathode ray tube and method of manufacturing shadow mask | Yasuhisa Ohtake, Mitsuaki Yamazaki, Sachiko Muramatsu | 1998-11-03 |
| 5635320 | Color cathode ray tube and method manufacturing the same | Yasuhisa Ohtake, Nobuo Kita | 1997-06-03 |
| 5592044 | Color cathode ray tube and method of manufacturing shadow mask | Yasuhisa Ohtake, Mitsuaki Yamazaki, Sachiko Muramatsu | 1997-01-07 |
| 5411822 | Shadow mask for color cathode ray tube, shadow mask printing negative plate used for manufacture of the shadow mask, and method and manufacturing the negative plate | Yasuhisa Ohtake, Yasushi Magaki | 1995-05-02 |
| 5280215 | Shadow mask for color cathode ray tube | Yasuhisa Ohtake, Yasushi Magaki | 1994-01-18 |
| 5230920 | Method of coating sensitizing solution on metal plate for use in manufacture of color cathode ray tube and coating apparatus | Mitsuru Seno, Nobuo Kita, Takayuki Matsumoto | 1993-07-27 |