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KUMAHIRA CO LTD

Overview
  • Total Patents
    49
  • GoodIP Patent Rank
    58,858
  • Filing trend
    ⇩ 55.0%
About

KUMAHIRA CO LTD has a total of 49 patent applications. It decreased the IP activity by 55.0%. Its first patent ever was published in 1984. It filed its patents most often in Japan and Republic of Korea. Its main competitors in its focus markets environmental technology, machines and civil engineering are WIDEN AND SANDH KEY PARTNERS A, G S K HANBAI KK and INTERNAT SECURITY PRODUCTS INC.

Patent filings in countries

World map showing KUMAHIRA CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 48
#2 Republic of Korea 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Yamamoto Hiroshi 6
#2 Shizu Kinya 6
#3 Okino Atsushi 4
#4 Kawaguchi Toshiaki 3
#5 Isozaki Haruki 3
#6 Ito Hiroki 3
#7 Tanaka Takahiro 2
#8 Takagi Tomonori 2
#9 Wakumoto Eiji 2
#10 Domichi Tomoyuki 2

Latest patents

Publication Filing date Title
JP2021004446A Key replacement device, key management device, and key management system
JP2020183679A Closing device for nuclear power facility
JP2020060086A Key management device
JP2020107195A Security gate machine
JP2020056584A Metal detector
JP2020033807A Protective box locking/unlocking device for safe-deposit box
JP2020024647A Security system, control unit, and central management device
JP2019100157A Key management system
JP2019095929A Entry and exit management device
JP2019060075A Lock failure prevention mechanism for safe-deposit protective box
JP2019040463A Biometric authentication device
JP2019012020A Adsorptive member with indicator, and indicator used together with adsorptive member
JP2018150715A Storage case system and control unit
JP2018128918A Security gate and security gate unit
JP2018123641A Lock mechanism and method of using safe-deposit box system
JP2018123642A Power supply communication unit
JP2018092714A Incandescent lamp deterioration diagnosis device, and inspection apparatus and system equipped with the same
JP2018091639A Spectroscopic analyzer and liquid inspection device therewith
JP2017122328A Key exchange device
JP2017049946A Passage management gate, passage management gate set and control device