Learn more

KENKOO KK

Overview
  • Total Patents
    19
About

KENKOO KK has a total of 19 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets optics and environmental technology are TOOP FREDERICK, THOMAS GEORGE BAXENDEN and LI YUEMIN.

Patent filings in countries

World map showing KENKOO KKs patent filings in countries
# Country Total Patents
#1 Japan 19

Patent filings per year

Chart showing KENKOO KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Miki Michiya 3
#2 Tsunashima Takashi 3
#3 Yamanaka Toru 3
#4 Miho Yukio 2
#5 Yoshikawa Kenji 2
#6 Yamamoto Toshio 2
#7 Kaneko Shigeo 1
#8 Tahara Eiichi 1
#9 Sakamoto Shigeo 1
#10 Kako Koji 1

Latest patents

Publication Filing date Title
JP2010096531A Exposure meter
JP2008209615A Photographing auxiliary tool
JP2007086194A Optical accessory fitting device
JP2007002617A Oil boom supporting structure
JP2006194012A Device for preventing leakage of polluted liquid
JP2006161824A Magnetic-attraction device
JP2006132154A Gap sealing device for oil fence supporting end
JP2004341189A Free universal head
JP2000305128A Camera filter
JPH1177887A Composite sheet and manufacture therefor
JPH07209697A Filter for photography
JPH0718880A Method for demolishing building and sprinkler used in demolishing
JPH01311187A Cooling material
JPS63139121A Blending of compound perfume
JPS5981635A Double picture photographing device
JPS5981636A Double picture photographing device
JPS5981634A Double picture photographing device
JPS51140724A Aberration producing attachment for a camera