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KOOHAN KK

Overview
  • Total Patents
    19
About

KOOHAN KK has a total of 19 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, machines and optics are ITO SADAMI, HUANGSHI DONGXING RUBBER PRODUCTS CO LTD and DRESCHER DATENDRUCKE.

Patent filings in countries

World map showing KOOHAN KKs patent filings in countries
# Country Total Patents
#1 Japan 19

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kobayashi Takechiyo 7
#2 Kobayashi Michinori 6
#3 Tate Katsumi 3
#4 Kondo Yoshihiko 3
#5 Marui Tomoko 3
#6 Mizuno Kunio 3
#7 Hashimoto Yukikazu 3
#8 Sekimoto Masamichi 2
#9 Noda Akimasa 2
#10 Terada Takeshi 2

Latest patents

Publication Filing date Title
JP2009001786A Stone-like rubber molding, brick-like rubber molding and their manufacturing method
JP2009061947A Carrier body, carrier, and carrier connecting body
JP2007262390A Manufacturing method of colored rubber chip and plate made from colored rubber chip
JP2008145067A Heating panel unit and heating method
JP2008112621A Heating system and heating method of vessel body
JP2008093917A Method for molding rubber chip molding and rubber chip molding
JP2008001339A Truck body, manufacturing method of truck body, and truck
JP2006289990A Mixing device for regenerating plastic waste
JP2007021899A Extrusion molding apparatus for waste resin mixed with various plastics
JP2006205587A Molding method of thick product from waste plastic
JP2005053120A Method for molding synthetic resin product using synthetic resin waste material
JP2004188742A Producing method for elastic material using waste tire
JP2004155057A Manufacturing method for woody synthetic resin plate
JP2002265066A Safety device of deck board for cargo handling
JP2002234076A Method for fusing synthetic resin-mixed molded body and carrying pallet manufactured by fusing
JPH11291248A Building floor material using composite plastic waste material as raw material and its production
JPH11226956A Production of molded article using plastic waste material as raw material, and molded article
JPS5280908A Halfftone printing method
JPS5280903A Halfftone offset plate