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CKD CORP

Overview
  • Total Patents
    4,501
  • GoodIP Patent Rank
    1,680
  • Filing trend
    ⇩ 20.0%
About

CKD CORP has a total of 4,501 patent applications. It decreased the IP activity by 20.0%. Its first patent ever was published in 1978. It filed its patents most often in Japan, China and Republic of Korea. Its main competitors in its focus markets mechanical elements, measurement and machines are BUERKERT WERKE GMBH, BUERKERT WERKE GMBH & CO KG and Bürkert Werke GmbH.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Sakaida Norihiko 186
#2 Taguchi Yukihiro 127
#3 Ohyama Tsuyoshi 116
#4 Mamiya Takahiro 114
#5 Ito Akihiro 113
#6 Kouketsu Masayuki 102
#7 Oyama Takeshi 94
#8 Ishigaki Hiroyuki 94
#9 Futamura Ikuo 72
#10 Itafuji Hiroshi 69

Latest patents

Publication Filing date Title
EP3805621A1 Solenoid valve
JP2021004675A Connection part seal structure and seal member
WO2021070484A1 Arm-type assistance device
CN112278369A PTP sheet manufacturing device
WO2021024626A1 Blister packing machine and blister pack manufacturing method
WO2020217800A1 Heat exchange system
JP2020204369A Manufacturing method of diaphragm valve
JP2020204510A Inspection device, package manufacturing device, and package manufacturing method
JP2020200934A Selector valve
JP2020201192A Three-dimensional measuring device and three-dimensional measuring method
JP2020201155A Inspection device and package manufacturing device
JP2020200840A Manufacturing method of fluid control apparatus
JP2020193880A Three-dimensional measurement apparatus and three-dimensional measurement method
JP2020193841A Inspection device, packaging sheet manufacturing device, and packaging sheet manufacturing method
JP2020190295A Vacuum opening/closing valve
JP2020189264A Filter device
JP2020186787A Fluid control valve
JP2020186794A Self-holding type electromagnetic valve
JP2020187045A Inspection device, wrapping machine, and method for inspecting wrapped body
JP2020186781A Pilot electromagnetic valve