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KOHAN KENZAI KK

Overview
  • Total Patents
    39
About

KOHAN KENZAI KK has a total of 39 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are DALIAN SHUOBEI YINGBO BIOLOG SCIENCE & TECHNOLOGY CO LTD, CHANGSHA ENGINEERING & RES INS and YANGZHOU BARON RENEWABLE RESOURCES DEV CO LTD.

Patent filings in countries

World map showing KOHAN KENZAI KKs patent filings in countries
# Country Total Patents
#1 Japan 39

Patent filings per year

Chart showing KOHAN KENZAI KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Yoshimura Kazuto 26
#2 Matsumura Tetsuo 11
#3 Kaneshige Shunichi 11
#4 Tabata Kazutoyo 9
#5 Tsuyama Yoshihide 8
#6 Okamura Tadashi 7
#7 Takei Sada 7
#8 Yamawaki Mizunori 5
#9 Ono Kenji 5
#10 Masashita Kaoru 4

Latest patents

Publication Filing date Title
JP2004316370A Door
JP2004218353A Door for storage
JP2004098994A Bicycle parking device
JP2003187102A Book setting system
JP2002355133A Small-sized storage cabinet
JP2003033824A Apparatus and method for manufacturing expanded metal
JP2002339658A Door frame
JP2002339664A Door
JP2001179875A Method for manufacturing decorative metal panel, decorative metal panel manufactured thereby and wall material using decorative metal panel
JP2000073450A Housing box
JPH11348857A Bicycle parking device
JPH11323962A Fitting accuracy adjusting tool and accurately fitting method using this fitting accuracy adjusting tool
JPH11166324A Garage with open sliding door
JPH10317788A Door structure having finger catching prevention function
JPH10317701A Bicycle parking device
JPH10169319A Door structure having finger nipping preventive function
JPH10153055A Door frame
JPH10138972A Bicycle parking device
JPH09228672A Conveying truck and storage device
JPH1046854A Front-wheel clamping mechanism in bicycle parking device