KK

Katsuhiko Kumagawa

Sumitomo Electric Industries: 5 patents #127 of 3,885Top 4%
Overall (2003): #9,357 of 273,478Top 4%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6633272 Driving method, drive IC and drive circuit for liquid crystal display Akira Kawaji, Masahito Matsunami, Takeshi Okuno, Tohru Suyama 2003-10-14
6597337 Driving method, drive IC and drive circuit for liquid crystal display Akira Kawaji, Masahito Matsunami, Takeshi Okuno, Tohru Suyama 2003-07-22
6583840 Liquid crystal display element with comb electrodes having reflective projections and producing method thereof Kazuo Inoue, Hiroyuki Yamakita, Masanori Kimura, Akinori Shiota 2003-06-24
6525798 Liquid crystal display unit Hiroyuki Yamakita, Akinori Shiota, Ichiro Sato, Akio Takimoto 2003-02-25
6522318 Driving method, drive IC and drive circuit for liquid crystal display Akira Kawaji, Masahito Matsunami, Takeshi Okuno, Tohru Suyama 2003-02-18