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SHIBA ELECTRIC CO LTD

Overview
  • Total Patents
    16
About

SHIBA ELECTRIC CO LTD has a total of 16 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Germany and Switzerland. Its main competitors in its focus markets audio-visual technology, electrical machinery and energy and optics are LEON THURM, NAKASHIKA MASAHIRO and TOSHIBA KK TOSHIBA CORP.

Patent filings in countries

World map showing SHIBA ELECTRIC CO LTDs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Germany 4
#3 Switzerland 1
#4 France 1

Patent filings per year

Chart showing SHIBA ELECTRIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Okajima Shigeki 3
#2 Kinoshita Kojiro 3
#3 Suzuki Takeo 3
#4 Karato Y 3
#5 Kimura K 2
#6 Ohyama Sadakimi 2
#7 Nakatake M 1
#8 Kimura Kenji 1
#9 Yamashita Y 1
#10 Katayama H 1

Latest patents

Publication Filing date Title
US3833924A Rotary head apparatus with dynamic air bearings having ceramic coatings
US3764755A Automatic tracking system for magnetic video recording and reproducing devices
US3727149A Burst control circuit having a voltage responsive oscillator
US3715466A Color television camera equipment
US3745237A Color television camera equipment having a reference filter and a color filter assembly interposed between the camera and subject
US3657665A Automatic frequency control system with memory circuit for increasing control range
US3745236A Color television camera equipment
US3631529A Apparatus for eliminating spark noise generated from a direct current motor
US3548338A Method and apparatus for gas laser noise reduction