Learn more

KAWAGUCHI KOGAKU SANGYO KK

Overview
  • Total Patents
    18
About

KAWAGUCHI KOGAKU SANGYO KK has a total of 18 patent applications. Its first patent ever was published in 1996. It filed its patents most often in Japan, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets optics and measurement are TAYLOR HAROLD DENNIS, ARTHUR LEVY and TAYLOR TAYLOR & HOBSON LTD.

Patent filings in countries

World map showing KAWAGUCHI KOGAKU SANGYO KKs patent filings in countries

Patent filings per year

Chart showing KAWAGUCHI KOGAKU SANGYO KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics
#2 Measurement

Top inventors

# Name Total Patents
#1 Iga Kenichi 13
#2 Kawaguchi Yuzo 12
#3 Mukai Jiro 6
#4 Katsura Shinichi 5
#5 Kuwabara Yoshiharu 4
#6 Kawada Masakazu 3
#7 Yamamoto Hiroharu 2
#8 Mizuno Jun 2
#9 Yamamoto Kouji 1

Latest patents

Publication Filing date Title
JP2001166184A Optical fiber connecting unit, method and structure
JP2000162483A Optical axis adjusting mechanism, and level using same
JP2000187179A Pointer
JP2000073935A Rotation torque generation means by light pressure, generation method thereof, and control method thereof
JP2000028958A High-precision minute ring beam light source and high- precision minute ring beam control method
JPH11211904A Device and method for generating ring beam
JPH1164229A Method for emission to solid object, and method and device for inspecting solid object
JPH1164785A Method of generating synthetic ring beam
JPH1164637A Method of generating multi-ring beam and multi-ring beam generating element
JPH1152286A Ring illuminator
JPH10307010A Method and device for inspecting inside of pipe
JPH10239598A Continuously changing device for ring beam spread angle
JPH10160907A Ring beam generating optical element
JPH1062173A Laser cross slit generating device
JPH0954278A Optical device for controlling expanding angle of annular light ray