Learn more

KOTOBUKI KOGEI KK

Overview
  • Total Patents
    22
About

KOTOBUKI KOGEI KK has a total of 22 patent applications. Its first patent ever was published in 1994. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are KUROSAWA SOKEN KK, SHANXI PROVINCE INST OF MICROBIOLOGY and HANDAN IRON & STEEL CO LTD.

Patent filings in countries

World map showing KOTOBUKI KOGEI KKs patent filings in countries
# Country Total Patents
#1 Japan 22

Patent filings per year

Chart showing KOTOBUKI KOGEI KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Segawa Yutaka 12
#2 Segawa Toshio 4
#3 Ito Masahiko 2
#4 Tanimoto Akira 2
#5 Nakane Sumio 1
#6 Akita Toshio 1
#7 Ito Tatsuo 1
#8 Itojima Hironobu 1

Latest patents

Publication Filing date Title
JP2013252076A Water filtering device with illumination part
JP2013055925A Underwater heater for water tank for enjoyment
JP2011115081A Apparatus for protecting fish egg and fry
JP2010068760A Aquarium for enjoying aquatic animal
JP2009142220A Water tank for viewing animal and plant
JP2008237031A Water filter
JP2008113615A Heating control apparatus of ornamental aquarium
JP2008036568A Filter
JP2007228816A Illuminator for aquarium for enjoying plant and fish
JP2007231746A Pneumatic pump
JP2006333779A Filtering device
JP2006263298A Article for commemorating deceased and manufacturing method of article
JP2006254703A Tool for additionally disposing accessory for water tank
JP2006149362A Blower for regulating water temperature of water tank
JP2004073023A Heating controller of ornamental aquarium and heater
JP2000247355A Frame of box for appreciating article and box for appreciating article
JP2000079306A Water purification filter apparatus frame, member for water purification filter installation, and water purification filter apparatus
JPH11137119A Board-shaped cover for water tank
JPH11137120A Water tank
JPH09206117A Bag kind with housing case