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OVAL CORP

Overview
  • Total Patents
    688
  • GoodIP Patent Rank
    68,492
  • Filing trend
    ⇧ 50.0%
About

OVAL CORP has a total of 688 patent applications. It increased the IP activity by 50.0%. Its first patent ever was published in 1990. It filed its patents most often in Japan, China and EPO (European Patent Office). Its main competitors in its focus markets measurement, electrical machinery and energy and basic communication technologies are BOPP & REUTHER MESSTECH GMBH, MIKRO MOUSHN INK and BROOKS INSTR BV.

Patent filings per year

Chart showing OVAL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakao Yuichi 108
#2 Kitami Hirokazu 69
#3 Gomi Shingo 53
#4 Sukemura Norio 51
#5 Shimada Hideki 50
#6 Kitami Daiichi 46
#7 Kobayashi Seiji 46
#8 Ogawa Yutaka 40
#9 Ichinose Kimihiro 32
#10 Matsuoka Kenichi 31

Latest patents

Publication Filing date Title
JP2020128916A Converter and flowmeter
JP2020023848A Scaffold cradle for existing solar panel
JP2019032282A Driving method, driving device, and vortex flowmeter for thermo-sensitive element
JP2019032281A Vortex flowmeter
JP2017101984A Coriolis flowmeter and method for detecting phase difference thereof
JP2017058219A Flow rate measurement method
JP2017058218A Instrumentation device with pulse output function
JP2017015574A Volume device
JP2016164517A Display with switch and flowmeter
JP2016017613A Valve opening indicator
JP2015165202A Perforated plate for flow straightener, flow straightener and flow rate measurement device
JP2015064216A Driving device of coriolis flowmeter, and coriolis flowmeter
JP2015045551A Piston prover
JP2015011008A Servo type volumetric flowmeter
JP2014143876A Electronic signal processing device and flowmeter
JP2013228309A Coriolis flowmeter
JP2013186113A Vortex flowmeter
JP2012247373A Ultrasonic flowmeter
JP2011118894A Method of screen transition for hierarchically structured display device
JP2012032272A Attachment error determination method for insertion type flowmeter, flow rate calculation method, and measuring tool