HK

Hiroaki Kyougoku

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
📍 Toyonaka, JP: #290 of 1,166 inventorsTop 25%
Overall (All Time): #1,023,654 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7653101 Excessive current input suppressing semiconductor laser light emitting circuit Junichi Ikeda 2010-01-26
7480320 Semiconductor laser driving device, semiconductor laser driving method, and image forming apparatus using semiconductor laser driving device Junichi Ikeda 2009-01-20
7359414 Excessive current input suppressing semiconductor laser light emitting circuit Junichi Ikeda 2008-04-15
7301976 Method and apparatus for semiconductor laser driving capable of stably generating consistent optical pulse widths of laser diodes Junichi Ikeda 2007-11-27
6917639 Laser driver circuit Masaaki Ishida, Hidetoshi Ema, Yasuhiro Nihei, Atsufumi Omori 2005-07-12