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TOKAI DENSHI KK

Overview
  • Total Patents
    39
About

TOKAI DENSHI KK has a total of 39 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Japan. Its main competitors in its focus markets measurement, machines and audio-visual technology are DURGO AG, NAGAO KAZUHIDE and MICA CORP.

Patent filings in countries

World map showing TOKAI DENSHI KKs patent filings in countries
# Country Total Patents
#1 Japan 39

Patent filings per year

Chart showing TOKAI DENSHI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tsuzuki Hanzo 27
#2 Takagi Hiromasa 7
#3 Sugimoto Tetsuya 6
#4 Nagaike Miyoko 4
#5 Haneda Tadayoshi 4
#6 Matsumoto Takeshi 3
#7 Tashiro Zenta 3
#8 Endo Tomokazu 3
#9 Yamazawa Tomoji 3
#10 Sato Kentaro 3

Latest patents

Publication Filing date Title
JP2013156169A Breath alcohol measuring apparatus
JP2012159482A Breath alcohol measuring device
JP2012141651A Roll call system
JP2011007818A Method for measuring alcohol in exhalation
JP2011017727A Method for measuring breath alcohol content
JP2011007817A Method for measuring alcohol in exhalation
JP2012047711A Alcohol measuring system
JP2012026940A Apparatus for measuring alcohol on breath
JP2012026939A Apparatus for measuring alcohol on breath
JP2012022376A Alcohol measurement system
JP2012123433A Roll call system
JP2011234930A Alcohol drinking state check device
JP2012123431A Roll call system
JP2012123430A Roll call system
JP2012123432A Roll call system
JP2011189823A On-vehicle alcohol test system
JP2011184011A Alcohol interlock system
JP2009151824A In-vehicle alcohol detection system
JP2010221786A Onboard alcohol-on-breath measuring device
JP2010217016A Apparatus for measurement of alcohol in expiration