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RIKEN KEIKI KK

Overview
  • Total Patents
    678
  • GoodIP Patent Rank
    22,176
  • Filing trend
    ⇧ 57.0%
About

RIKEN KEIKI KK has a total of 678 patent applications. It increased the IP activity by 57.0%. Its first patent ever was published in 1975. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets measurement, environmental technology and control are ACER CONSULTANTS LTD, HORIBA WORKS CO LTD and RATFISCH INSTR.

Patent filings per year

Chart showing RIKEN KEIKI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakano Nobuo 94
#2 Kawabe Tetsuya 51
#3 Ishiguro Tomoo 43
#4 Koyano Junichi 41
#5 Nakamura Yukio 40
#6 Tajima Hideji 38
#7 Kondo Haruhiko 37
#8 Otani Haruichi 35
#9 Kogure Shinsuke 30
#10 Ao Ryoji 30

Latest patents

Publication Filing date Title
JP2021004891A Methane concentration calculation method and methane concentration measurement device
CN111328372A Composition analysis device and composition analysis method
JP2020139894A Constant-potential electrolytic gas sensor
WO2019187710A1 Gas detecting method and gas detecting device
JP2020115092A Composition analyzer and composition analysis method
US2019025233A1 Gas detection method and gas detector
US2019025270A1 Gas detector
JP2019219233A Constant potential electrolytic oxygen sensor
JP2019190893A Constant potential electrolytic gas sensor
WO2019186794A1 Gas detecting method and gas detecting device
JP2019090768A Gas detector
JP2019070608A Gas detector
JP2018063241A Gas sensor
JP2019045434A Gas analysis method and gas analyser
JP2018194351A Method for recovering function of gas detector and gas detector calibration device
JP2018189214A Check valve structure and diaphragm pump
JP2018040614A Gas sensor unit and gas detector
JP2017215162A Gas passage structure and flow sensor
JP2017191001A Gas detector
CN107209164A Methane value calculating method and methane value determine device