Inventor · disambiguated record
Osamu Akamatsu
Also filed as: AKAMATSU OSAMU
16 granted patents·228 citations·filing 1983–2000
94Inventor score
Top patents by PatentIndex Score
16 records- 0181US4785718ASpring brake cylinderNIPPON AIR BRAKE CO·Filed 1987·Granted Nov 22, 1988·22 cites·7 claims
- 0278US5771933AThree-position solenoid valveNABCO LTD·Filed 1997·Granted Jun 30, 1998·42 cites·7 claims
- 0376US4525611AFluid pressure switchNIPPON AIR BRAKE CO·Filed 1983·Granted Jun 25, 1985·20 cites·16 claims
- 0469US4796513ASpring brake cylinderNIPPON AIR BRAKE CO·Filed 1987·Granted Jan 10, 1989·14 cites·5 claims
- 0567US6161582ABall cock for railway vehicleWESTINGHOUSE AIR BRAKE CO·Filed 1998·Granted Dec 19, 2000·24 cites·7 claims
- 0666US6298878B1Ball cock for railway vehicleWESTINGHOUSE AIR BRAKE CO·Filed 2000·Granted Oct 9, 2001·12 cites·10 claims
- 0762US4708158ABall-type stop cocks having standard matching flangesNIPPON AIR BRAKE CO·Filed 1987·Granted Nov 24, 1987·19 cites·6 claims
- 0859US4721515AControl system of a dual-cylinder type dehumidifierNIPPON AIR BRAKE CO·Filed 1986·Granted Jan 26, 1988·21 cites·6 claims
- 0950US5692586ABrake having a pressure responsive slack adjusterNABCO LTD·Filed 1996·Granted Dec 2, 1997·11 cites·10 claims
- 1049US5775367ASolenoid valve control deviceWESTINGHOUSE AIR BRAKE CO·Filed 1997·Granted Jul 7, 1998·10 cites·8 claims
- 1143US5589767AMechanism for the attachment of a speed sensor to a train wheel including a bearing and a connection link with a shock absorbing bushingNABCO LTD·Filed 1994·Granted Dec 31, 1996·9 cites·4 claims
- 1241US5988765AFluid pressure control deviceNABCO LTD·Filed 1997·Granted Nov 23, 1999·6 cites·4 claims
- 1339US5799757ABrake deviceNABCO LTD·Filed 1996·Granted Sep 1, 1998·6 cites·20 claims
- 1438US4781105ASpring brake cylinderNIPPON AIR BRAKE CO·Filed 1987·Granted Nov 1, 1988·4 cites·4 claims
- 1535US5083586AMounting arrangement for connecting a fluid pressure valve to a pipe bracket by a hollow adapter memberNIPPON AIR BRAKE CO·Filed 1991·Granted Jan 28, 1992·5 cites·12 claims
- 1632US4811651ASpring brake cylinderNIPPON AIR BRAKE CO·Filed 1987·Granted Mar 14, 1989·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →