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TSUKAMOTO KOTARO

Overview
  • Total Patents
    20
About

TSUKAMOTO KOTARO has a total of 20 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Germany, United States and Italy. Its main competitors in its focus markets machine tools, packaging and shipping and surface technology and coating are JAPAN DEV CONSULT, ORION MACHINERY & ENG and UMLAUF NORBERT.

Patent filings in countries

World map showing TSUKAMOTO KOTAROs patent filings in countries
# Country Total Patents
#1 Germany 8
#2 United States 6
#3 Italy 3
#4 France 2
#5 United Kingdom 1

Patent filings per year

Chart showing TSUKAMOTO KOTAROs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tsukamoto Kotaro 16

Latest patents

Publication Filing date Title
DE3446285A1 Polishing machine
US4586223A Machine for straightening and polishing a round bar
GB2107373A Sucker rods
DE3130688A1 Pump rod for pump rod assembly
US4293103A Metal wire winding apparatus
DE2950265A1 Wire coiling system - has wire wound around drum and passed to guide cages on rotary table
IT7969353D0 Wire coiling system
IT7967711D0 Wire coil holding device - has rotary drum with end plate and spiral groove which guides coil towards end plate
IT7967699D0 Rod or bar straightener - has two spaced roll stations with convex and concave rolls in each to straighten bar
DE2815608A1 Metal bar pickling plant - with chain catenary loops in vats keeping bars in motion
US4174643A Silent gear wheel
DE2637017A1 Wire coils automatic cleaning appliance with spray pipes - has movable support column to stretch wire ensuring all round acid removal
DE2637018A1 Rectifying equipment of bar material - has pair of end straightening devices spaced in direction of length of material to be straightened
US4057988A Rectifying equipment of bar material
US4091827A Edulcoration equipment for wire coils
DE2627999A1 Wire coil pickling plant with vibrator - mounted on coil carrier to promote rust removal
DE2628000A1 Material coil holder for drawing machine - has bracket on baseplate with drums having spiral grooves thrusting coils against it
US4060209A Coil holding device