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Junichi Senga

HC Hitachi Media Electronics Co.: 7 patents #28 of 214Top 15%
Overall (All Time): #744,493 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8516511 Optical pickup and disc drive using optical pickup Manabu Ochi, Takehiro Hayama 2013-08-20
8284640 Optical pickup Hiroyuki Toyoda, Takehiro Hayama, Hitoshi Matsushima, Takayuki Fujimoto 2012-10-09
8009523 Optical pickup and method for manufacturing the same Katsuhiko Kimura, Yoshihiro Satou 2011-08-30
7890967 Optical pickup device with heat radiating structure Hiroyuki Toyoda, Takayuki Fujimoto, Seiichi Katou, Hitoshi Matsushima 2011-02-15
7643385 Optical pickup Manabu Ochi, Katsuhiko Kimura, Masaya Horino, Masayoshi Watanabe, Tetsuo Itou 2010-01-05
7602565 Optical pickup Katsuhiko Kimura 2009-10-13
7376962 Driving device for objective lens and optical pick up using the same Katsuhiko Kimura 2008-05-20