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TOKYO DENPA KK

Overview
  • Total Patents
    103
About

TOKYO DENPA KK has a total of 103 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets surface technology and coating, basic communication technologies and machines are WACKER NSCE CORP, COOK GLEN BENNETT and KAGAKU GIJUTSUCHO MUKIZAI.

Patent filings per year

Chart showing TOKYO DENPA KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sato Mitsuru 22
#2 Maeda Katsumi 14
#3 Yoshioka Kenji 14
#4 Ishigami Sumiyuki 14
#5 Yoneyama Hiroshi 14
#6 Machida Yuichi 13
#7 Niikura Ikuo 11
#8 Sugimoto Hisashi 11
#9 Mimura Kazuhiro 11
#10 Saito Yasushi 10

Latest patents

Publication Filing date Title
WO2011125891A1 Apparatus for manufacturing single crystal and method for manufacturing single crystal
JP2012161000A High frequency signal synthesizer/distributor and switcher
JP2012160999A Sector antenna
JP2011010158A Piezoelectric vibrator and method of manufacturing the same
JP2010070424A Method for producing high resistivity and high purity zinc oxide single crystal
JP2010070423A High resistance zinc oxide single crystal and method for producing the same
JP2009265025A Piezoelectric temperature sensor and silicon wafer temperature measuring tool
JP2009229428A Silicon wafer multiple-point temperature measuring instrument
JP2008256519A Multipoint crystal temperature measurement apparatus
JP2007043732A Surface mounted crystal oscillator
JP2007332000A Artificial quartz member, its production method and optical element using the same
JP2007204324A Manufacturing method of high purity zinc oxide single crystal, and high purity zinc oxide single crystal
JP2007103427A Method of manufacturing zinc oxide single crystal substrate
CN101035932A Hexagonal wurtzite type single crystal, process for producing the same, and hexagonal wurtzite type single crystal substrate
JP2006124268A Hexagonal system wurtzite type single crystal, its manufacturing method and hexagonal system wurtzite type single crystal substrate
JP2006197547A Method of manufacturing piezoelectric oscillator, piezoelectric oscillator sheet substrate, and piezoelectric oscillator
JP2006093865A Piezoelectric blank piece sorter
JP2004315361A Zinc oxide single crystal
JP2005225740A MANUFACTURING METHOD OF ZnO SINGLE CRYSTAL
JP2005191709A Surface mounted crystal vibrator