TS

Takeo Sonobe

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HM Hitachi Maxell: 3 patents #330 of 1,211Top 30%
University of California: 2 patents #4,561 of 18,278Top 25%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #753,301 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7447567 Electric power system suppressing corona discharge from viewpoint of environment 2008-11-04
5471606 Information storage and processing Han K. Huang, Craig A. Morioka, Osman Ratib, Paul Cho, Bruce K. T. Ho +1 more 1995-11-28
5410676 Information system using designating areas for retrieving/converting data and directories of different formats storing in optical and magnetic storage Han K. Huang, Craig A. Morioka, Osman Ratib, Paul Cho, Bruce K. T. Ho +1 more 1995-04-25
5072438 Optical information recording disc and apparatus for driving the disc Masahiro Suzuki, Koreaki Kurane, Akira Saito 1991-12-10
5040167 Disk cartridge Yoshito Tanaka 1991-08-13
4992893 Alignment disk for magnetic disk driving apparatus and method and apparatus for verifying tracking error of the magnetic disk driving apparatus Hiroshi Kanai, Seiichi Hayashi, Masayoshi Sunada, Kazuo Kikuchi, Yasumasa Saito +7 more 1991-02-12
4796140 Removable disk construction Manabu Wakabayashi, Tohru Sampei, Hiroshi Kanai, Tomiyoshi Satoo, Yosuke Nagano +1 more 1989-01-03