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CITIZEN HOLDINGS CO LTD

Overview
  • Total Patents
    2,804
  • GoodIP Patent Rank
    3,181
  • Filing trend
    ⇩ 100.0%
About

CITIZEN HOLDINGS CO LTD has a total of 2,804 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1994. It filed its patents most often in Japan, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machine tools, optics and measurement are CITIZEN WATCH CO LTD, BARWICZ TYMON and HASEGAWA MASAHIRO.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Akiyama Takashi 90
#2 Ide Masafumi 60
#3 Kato Akira 56
#4 Ihara Takashi 55
#5 Kasuya Hiroshi 49
#6 Fukuda Masahiro 48
#7 Maeda Toshinari 48
#8 Matsumoto Kenji 46
#9 Shimizu Hideki 46
#10 Ikeda Tomoo 45

Latest patents

Publication Filing date Title
CN108239569A Ornament lubricated agent, the manufacturing method and clock and watch of clock and watch
WO2017057641A1 Machine tool
CN108140693A Led drive circuit
JP2016166888A Movement for multifunctional timepiece and multifunctional timepiece
CN107431102A Led drive circuit
CN107529859A The manufacture method of clock and watch component, clock and watch and clock and watch component
TW201639658A Machine tool and control device for said machine tool
TW201634176A Machine tool and control device for machine tool
JP2016172924A Production method of composite member, and composite member
JP2016170410A Method for producing reflection substrate and reflection substrate
CN107533319A The manufacture method of the power conductor of clock and watch and the power conductor of clock and watch
WO2016140199A1 Optical measuring device and toothbrush provided with same
WO2016147834A1 Machine tool
JP2016170399A Luminous ornament
JP2016054646A Power generator
WO2016114176A1 Electrostatic induction generator
CN107003641A The manufacture method of timepiece and timepiece
WO2016093355A1 Method for manufacturing electroformed components
JP2016111020A Flat battery
JP2016026902A Workpiece presence determination device