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CENTRAL GEM LAB

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    224,102
About

CENTRAL GEM LAB has a total of 11 patent applications. Its first patent ever was published in 2001. It filed its patents most often in Japan, China and Taiwan. Its main competitors in its focus markets computer technology, measurement and it methods for management are MINI OF ECOLOGY AND ENVIRONMENT CENTER FOR SATELLITE APPLICATION ON ECOLOGY AND ENVIRONMENT, FARMERS EDGE INC and UTECHZONE CO LTD.

Patent filings in countries

World map showing CENTRAL GEM LABs patent filings in countries
# Country Total Patents
#1 Japan 3
#2 China 2
#3 Taiwan 2
#4 WIPO (World Intellectual Property Organization) 2
#5 Hong Kong 1
#6 United States 1

Patent filings per year

Chart showing CENTRAL GEM LABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Horiuchi Nobuo 8
#2 Otake Masaru 1
#3 Horikawa Yoichi 1
#4 Emori Kentaro 1
#5 Teramae Kiyomi 1

Latest patents

Publication Filing date Title
JP2015194467A Evaluation device and evaluation method for gem
TW201510509A The method of determining the hardness of diamonds and the squareness of Cupid and its device
CN104395094A Diamond certificate and method for creating said certificate
CN103635793A Method for determining quality of heart & cupid optical effect of diamond, and device therefor
JP2008023181A Method of numerical determination of degree of painting and/or digging-out of diamond
JP2003042964A Quality evaluation method and device for diamond through image of refracted and reflected light