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TADAO YAMAOKA

Overview
  • Total Patents
    19
About

TADAO YAMAOKA has a total of 19 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and transport are FIAT TRATTORI SPA, BROWN GEAR IND and MASSEY FERGUSON SA.

Patent filings in countries

World map showing TADAO YAMAOKAs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 United States 8
#3 Canada 1
#4 Germany 1
#5 Malaysia 1

Patent filings per year

Chart showing TADAO YAMAOKAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tsujimoto Shinichi 2
#2 Yamada Tadashi 2
#3 Haruo Isoda 2
#4 Michisuke Nagasaki 2
#5 Isoda Haruo 2
#6 Katsuki Miyoshi 1
#7 Jin Kokiohi 1
#8 Kokichi Jin 1
#9 Nagasaki Michisuke 1
#10 Toshiro Azuma 1

Latest patents

Publication Filing date Title
MY6900040A Boats and propulsion apparatus therefore
US3443553A Precombustion chamber of diesel engine
GB1196790A Precombustion Chamber of Diesel Engine.
US3399659A Automatic noncompression starting device
GB1158438A Automatic Noncompression Starting Device
GB1128232A Reversing gear for marine main engine
GB1132350A Automatic engine-speed control device operable with the control of reversing gear for marine propulsion engines
US3401776A Transmission clutch and throttle control
US3342079A Speed change devices for agricultural tractors
US3313354A Apparatus for automatically controlling the depth of soil tilled by agricultural tractors
GB1043760A Agricultural tractors controlled by hydraulic systems
US3313171A Hydraulic reversing gear devices for marine internal-combustion engines
US3223076A Automatic noncompression starting device
CA803799A Automatic noncompression starting device