KH

Kazumasa Hirayama

KT Kabushiki Kaisha Toshiba: 8 patents #3,802 of 21,451Top 20%
Overall (All Time): #662,865 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6731054 Shadow mask, cathode ray tube, method and apparatus for manufacturing shadow mask Yutaka Takeuchi, Masao Kobayashi 2004-05-04
6589092 Cleaning method and cleaning apparatus of shadow mask Yoshiaki Sawada 2003-07-08
6583812 Method and apparatus for inspecting phosphor screen of cathode ray tube Tatsuya Yamazaki, Toshiyuki Imaizumi, Katsumi Omote 2003-06-24
6520818 Method for manufacturing cathode ray tube and manufacturing apparatus Yasuo Wakamatsu 2003-02-18
6514110 Deflection yoke adjustment apparatus for a cathode ray tube Maki Yoshida, Tatsuhiko Asaka 2003-02-04
6461668 Method and apparatus for manufacturing cathode ray tube Yuzuru Sasaki 2002-10-08
6325901 Method of producing a cathode-ray tube and apparatus therefor Hitoshi Takeda, Hisashi Iijima, Takeo Ito, Sakae Kimura, Hisashi Chigusa +1 more 2001-12-04
6264520 Method of and apparatus for sealing color cathode-ray tube Tatsuya Yamazaki, Maki Yoshida, Shoichi Yokoyama 2001-07-24