HO

Hisakazu Okamoto

KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
📍 Gyōda, JP: #87 of 565 inventorsTop 20%
Overall (All Time): #757,456 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6713951 Color cathode ray tube Tetsuya Masumura 2004-03-30
6614164 CRT with neck and stem weld and method for manufacturing the same Shigeru Sugawara, Fumitaka Hoshino 2003-09-02
6124669 Color cathode ray tube 2000-09-26
6069438 Color cathode ray tube with convergence magnet 2000-05-30
6060824 Color cathode ray tube with specific placement of magnetic plate Takeki Miyazono 2000-05-09
5708323 Color cathode ray tube 1998-01-13
4975618 Deflection device for a color picture tube apparatus Hiroyuki Koba 1990-12-04