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RYUSOK CO LTD

Overview
  • Total Patents
    28
  • GoodIP Patent Rank
    56,914
  • Filing trend
    ⇧ 75.0%
About

RYUSOK CO LTD has a total of 28 patent applications. It increased the IP activity by 75.0%. Its first patent ever was published in 2017. It filed its patents most often in Japan, China and Republic of Korea. Its main competitors in its focus markets measurement and machines are ELSTER METERING LTD, ELSTER WATER METERING LTD and ATSUDEN CORP.

Patent filings in countries

World map showing RYUSOK CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 9
#2 China 4
#3 Republic of Korea 4
#4 Taiwan 4
#5 United States 4
#6 EPO (European Patent Office) 3

Patent filings per year

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

Focus industries

# Industry
#1 Measurement
#2 Machines

Top inventors

# Name Total Patents
#1 Murakami Eiichi 28
#2 Sakiyama Kohei 22
#3 Suzuki Yoshiaki 5
#4 Shimizu Kazuyoshi 1

Latest patents

Publication Filing date Title
JP2020180940A Measurement method of ultrasonic flowmeter
JP2020180836A Ultrasonic flow rate measuring device
JP2020176904A Ultrasonic flow rate measuring device
TW201946763A Method for manufacturing measurement pipeline portion of ultrasonic flow meter
JP2020067420A Ultrasonic flow rate measurement device
JP2020026973A Ultrasonic flow meter measurement conduit body manufacturing method
JP2020016610A Method for manufacturing measurement pipe conduit part of ultrasonic flowmeter
JP2019200129A Manufacturing method of measurement pipe part of ultrasonic flowmeter
EP3382351A1 Ultrasonic flow meter
JP2019045331A Ultrasonic flowmeter
JP2018173339A Ultrasonic flowmeter