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NAKAO SEISAKUSHO KK

Overview
  • Total Patents
    78
  • GoodIP Patent Rank
    171,985
  • Filing trend
    ⇧ 150.0%
About

NAKAO SEISAKUSHO KK has a total of 78 patent applications. It increased the IP activity by 150.0%. Its first patent ever was published in 1987. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering, machines and textiles and paper are DOERKEN & MANKEL KG, JEBRON LTD and DORMA BAUBESCHLAG.

Patent filings in countries

World map showing NAKAO SEISAKUSHO KKs patent filings in countries
# Country Total Patents
#1 Japan 78

Patent filings per year

Chart showing NAKAO SEISAKUSHO KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Iwaki Junpei 20
#2 Ota Yoshifusa 18
#3 Iwasaka Akiichi 16
#4 Shimatani Yasutake 15
#5 Miyamoto Shinya 6
#6 Sasaki Yoshito 4
#7 Goto Naohiro 3
#8 Wakayama Yutaka 2
#9 Nishimura Shuichi 2
#10 Niiyama Tadatoshi 1

Latest patents

Publication Filing date Title
JP2020176469A Hinged door lever handle seat
JP2020133364A Lower door stop for hanging slide door
JP2020091779A Blind cover of fire alarm installation mark
JP2020041372A Sliding door bounce prevention device
JP2020032012A Wall-mounting member
JP2020016071A Folding door bearing
JP2019132093A Trigger fixture
JP2019027109A Handgrip
JP2018127776A Closer for sliding door
JP2014177829A Closer device for sliding door
JP2014088694A Swing stopping device for suspended sliding door
JP2014001544A Door stopper
JP2013234469A Opening/closing device for folding door
JP2013159966A Door stopper
JP2012136831A Closer device for sliding door
JP2012107415A Drawing device
JP2010281194A Door stopper device
JP2010261300A Closer device for sliding door
JP2011174272A Drawing device
JP2011174271A Drawing device