KK

Katsuhiko Kumagawa

Sumitomo Electric Industries: 10 patents #13 of 4,178Top 1%
Overall (2004): #1,573 of 270,089Top 1%
10
Patents 2004

Issued Patents 2004

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6819646 Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus Yasuo Kitaoka, Ken'ichi Kasazumi, Kazuhisa Yamamoto, Hidenori Wada 2004-11-16
6816208 Liquid crystal display device Tetsuo Fukami, Masanori Kimura 2004-11-09
6801264 Liquid crystal display device Masanori Kimura, Tetsuo Fukami 2004-10-05
6801293 Method for manufacturing an in-plane electric field mode liquid crystal element Kazuhiro Nishiyama, Junko Asayama, Kazunori Komori, Yukio Tanaka, Akio Takimoto +6 more 2004-10-05
6787829 LCD panel Tetsuo Fukami, Hiroyuki Yamakita, Masanori Kimura, Michiko Okafuji, Satoshi Asada 2004-09-07
6781659 Liquid crystal display device, pixels repair method thereof, and drive method thereof Akinori Shiota, Hiroyuki Yamakita, Sadayoshi Hotta, Yoneharu Takubo 2004-08-24
6774963 Liquid-crystal display device Kenji Nakao, Tsuyoshi Uemura, Naohide Wakita 2004-08-10
6762816 Liquid crystal display with special electrode configurations and compositions and method for producing the same Hiroyuki Yamakita, Kazuo Inoue, Akinori Shiota, Ichiro Sato, Hiroshi Satani +2 more 2004-07-13
6717628 Liquid crystal display device Masanori Kimura, Tetsuo Fukami 2004-04-06
6697141 Liquid crystal display with opaque common electrodes over the video signal lines and fabrication method thereof Hiroyuki Yamakita, Kazuo Inoue, Akinori Shiota, Ichiro Sato, Hiroshi Satani +2 more 2004-02-24