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HASEGAWA HAGURUMA KK

Overview
  • Total Patents
    35
About

HASEGAWA HAGURUMA KK has a total of 35 patent applications. Its first patent ever was published in 1970. It filed its patents most often in Japan, Germany and United States. Its main competitors in its focus markets mechanical elements, machines and packaging and shipping are ENGRENAGES CITROEN SA DES, DUFF NORTON CO and HALE JESSE W.

Patent filings in countries

World map showing HASEGAWA HAGURUMA KKs patent filings in countries
# Country Total Patents
#1 Japan 9
#2 Germany 7
#3 United States 6
#4 Canada 4
#5 United Kingdom 3
#6 Australia 2
#7 France 2
#8 Brazil 1
#9 Sweden 1

Patent filings per year

Chart showing HASEGAWA HAGURUMA KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ishikawa Shoichi 9
#2 Honma Seishi 5
#3 Ishikawa Shiyouichi 5
#4 Tatsuguchi Kiyoshi 4
#5 Kotake Kiyoshi 3
#6 Sugimoto Kuniyoshi 3
#7 Sugita Tadashi 2
#8 Fujii Yoshihisa 2
#9 Kida Kihachi 2
#10 Hosoe Satosi 2

Latest patents

Publication Filing date Title
JPS6213867A Addendum wn gear through involute referential rack profile
JPS6213866A Corrected addendum wn gear
JPS60179570A Hourglass worm gears
JPS59232718A Hob for hourglass worm wheel gear cutting
JPS5834264A Secondary contact parallel axis w-n toothed gear
JPS57103967A Wheel with modification enveloping surface for hourglass-shaped worm
JPS5325756A Wn gear having maximum tooth surface strength
CA1035599A Multiple-contact type w-n gear
AU8102075A Bladder type car jack using exhaust
JPS51120348A Multi engaging wn gear
JPS51117256A Double-contact two-line meshing type wn gear
DE2352853A1 Balancing device for rotating machine tool parts - compensating device attached to chuck is operable during operation of machine tool
US3918326A Balancer with flexible gear to move weight
GB1432164A Two-point contact wildhaber-novikov gears
US3871191A Geared Type Shaft Coupling
CA975744A Bladder type jack means