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HITACHI MEDIA ELECTRON KK

Overview
  • Total Patents
    1,226
  • GoodIP Patent Rank
    186,826
About

HITACHI MEDIA ELECTRON KK has a total of 1,226 patent applications. Its first patent ever was published in 1994. It filed its patents most often in Japan, China and United States. Its main competitors in its focus markets audio-visual technology, optics and basic communication technologies are LITERAL CORP, HITACHI MEDIA ELECTORONICS CO LTD and NAKAHARA HIRONORI.

Patent filings per year

Chart showing HITACHI MEDIA ELECTRON KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kimura Katsuhiko 79
#2 Yamazaki Kazuyoshi 76
#3 Shiba Takashi 49
#4 Hikino Osamu 44
#5 Onishi Kunikazu 41
#6 Isobe Atsushi 39
#7 Kawamura Tomohito 38
#8 Tomita Daisuke 38
#9 Yabe Akio 37
#10 Hikita Mitsutaka 36

Latest patents

Publication Filing date Title
JP2015106420A Optical pickup device and optical disk drive device
JP2015064919A Optical component fixing structure, optical component fixing method, optical pickup device, and three-primary light source module device
JP2015060137A Optical module and projection type image display device
JP2015060603A Optical pickup
JP2014160057A Optical measurement device
JP2015052675A Optical module and scanning image display device
CN103578500A Optical information recording/reproducing apparatus
JP2015012063A Video output device
JP2014229334A Optical pickup apparatus, and optical disk drive apparatus
JP2014225794A Tunable diplexer and mobile communication terminal using tunable diplexer
JP2014203500A Optical information recording/reproducing apparatus
JP2014204215A Band variable filter
JP2014186206A Light irradiation device
JP2014186068A Image display device
JP2014186078A Image display device
JP2014182358A Light source device and image display device
JP2014182316A Optical module, and scanning image display device
JP2014174494A Virtual image display device
JP2014174292A Laser projection display device and laser drive control method thereof
JP2014170148A Optical module and scanning type image display device