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DANREX KK

Overview
  • Total Patents
    15
About

DANREX KK has a total of 15 patent applications. Its first patent ever was published in 1995. It filed its patents most often in Japan. Its main competitors in its focus markets audio-visual technology and environmental technology are NORIZUKI KATSUJI, WUXI DALISHEN STEEL STRUCTURE SCIENCE & TECHNOLOGY CO LTD and OPT TECHNO KK.

Patent filings in countries

World map showing DANREX KKs patent filings in countries
# Country Total Patents
#1 Japan 15

Patent filings per year

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

Focus technologies

# Technology
#1 Advertising
#2 Reduction of greenhouse gas emissions

Top inventors

# Name Total Patents
#1 Kuroda Masao 8
#2 Tanaka Norikatsu 4
#3 Kuroda Akira 3

Latest patents

Publication Filing date Title
JP2004017707A Warning light and holder used for warning light
JP2003150085A Illuminator
JP2003132726A Signal light capable of emitting light of different colors
JP2002216727A Dry battery
JP2002133904A Warning light device
JP2002133903A Warning light
JP2002083503A Warning light
JP2001003326A Cone bar for traffic safety
JP2000348503A Alarm lamp
JP2000347607A Sign apparatus with built-in lighting system
JPH11264119A Warning lamp
JPH1088528A Display device
JPH09203014A Warning lamp
JPH09177048A Warning lamp
JPH0962217A Alarm lamp