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RICOH OPTICAL IND CO

Overview
  • Total Patents
    449
  • GoodIP Patent Rank
    57,952
About

RICOH OPTICAL IND CO has a total of 449 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets optics, machines and medical technology are TELEPHONE CABLES LTD, SHENZHEN SDGI OPTICAL NETWORK TECHNOLOGIES CO LTD and YASUHIRO KOIKE.

Patent filings in countries

World map showing RICOH OPTICAL IND COs patent filings in countries

Patent filings per year

Chart showing RICOH OPTICAL IND COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Umeki Kazuhiro 136
#2 Takahashi Yasushi 49
#3 Takahashi Akira 41
#4 Kono Yoshitsugu 39
#5 Kosuge Shinichi 34
#6 Fujimura Yasuhiro 33
#7 Sugimura Keiichi 28
#8 Ishigame Takayuki 27
#9 Nasukawa Toshimichi 24
#10 Ishizuka Kenichi 23

Latest patents

Publication Filing date Title
JP2016070830A Measurement device and measurement method
JP2016051100A Inner focus type telephoto lens
JP2016051029A Lens unit and image projection device
JP2016045137A Laser radar device and light-receiving device of laser radar device
JP2016045415A Diffusion plate and optical device having the same
JP2016045257A Concavo-convex pattern, optical element, and manufacturing method for concavo-convex pattern and optical element
JP2016045224A Projection zoom lens and projection type image display device
JP2016038462A Lens holding member, lens unit and image projection device
JP2016038211A Laser radar device
JP2016033529A Light transmissive member for cover of optical deflector, optical deflector, optical lens and optical mirror
JP2016031476A Multiple view point imaging optical system, multiple view point imaging device, and multiple view point image display device
JP2015227999A Microlens array substrate and method for manufacturing the same
JP2015225113A Optical element, molding type, manufacturing method and optical device
JP2015219309A Lens unit, image projection device, and image capturing device
JP2015215318A Leser rader device
JP2015210230A Laser radar device
JP2015210098A Laser radar device
JP2015203619A Laser distance metering device
JP2015203758A Angle adjustment device, optical device, and laser distance measuring device
JP2015200840A Micro lens array substrate