Inventor · disambiguated record
Fumiaki Kawahata
Also filed as: KAWAHATA FUMIAKI
18 granted patents·614 citations·filing 1985–2000
96Inventor score
Files withTOYOTA MOTOR CO LTD18
Top patents by PatentIndex Score
18 records- 0196US6354672B1Braking system wherein brake cylinder is communicated with pedal-operated pressure source upon failure of pump-operated pressure sourceTOYOTA MOTOR CO LTD·Filed 2000·Granted Mar 12, 2002·59 cites·27 claims
- 0295US6450591B1Hydraulic brake pressure control systemTOYOTA MOTOR CO LTD·Filed 1998·Granted Sep 17, 2002·82 cites·23 claims
- 0391US6957870B2Braking pressure control apparatus capable of switching between two brake operating states using power-operated and manually operated pressure sources, respectivelyTOYOTA MOTOR CO LTD·Filed 2000·Granted Oct 25, 2005·44 cites·49 claims
- 0491US6425644B2Braking pressure control apparatus having device for diagnosing manually operated hydraulic systemTOYOTA MOTOR CO LTD·Filed 2000·Granted Jul 30, 2002·35 cites·32 claims
- 0591US5895100ABrake apparatus for an electric vehicle to maximize regenerative energyTOYOTA MOTOR CO LTD·Filed 1997·Granted Apr 20, 1999·111 cites·8 claims
- 0690US5984432APressure control apparatus including seating valve controlled by electric current incremented upon valve opening depending upon pressure difference across the valveTOYOTA MOTOR CO LTD·Filed 1998·Granted Nov 16, 1999·52 cites·23 claims
- 0786US6126248AHydraulic brake deviceTOYOTA MOTOR CO LTD·Filed 1998·Granted Oct 3, 2000·40 cites·12 claims
- 0878US5979997AHydraulic brake control apparatusTOYOTA MOTOR CO LTD·Filed 1997·Granted Nov 9, 1999·30 cites·10 claims
- 0975US5658057AHydraulic braking apparatus having hydraulic pressure control valve and electrically controlled device to control the pressure control valveTOYOTA MOTOR CO LTD·Filed 1996·Granted Aug 19, 1997·27 cites·21 claims
- 1073US6164734AVehicle hydraulic braking system having reservoir for storing fluid discharged from brake cylinder through pressure control valve deviceTOYOTA MOTOR CO LTD·Filed 1998·Granted Dec 26, 2000·24 cites·35 claims
- 1171US6123397ABrake fluid pressure control deviceTOYOTA MOTOR CO LTD·Filed 1997·Granted Sep 26, 2000·23 cites·17 claims
- 1269US6007164ABrake fluid pressure control apparatus for compensating a malfunction of brake operational force sensorTOYOTA MOTOR CO LTD·Filed 1997·Granted Dec 28, 1999·21 cites·10 claims
- 1367US5727851AHydraulic brake apparatusTOYOTA MOTOR CO LTD·Filed 1996·Granted Mar 17, 1998·19 cites·11 claims
- 1462US5882089AHydraulic brake system for controlling fluid flow to a wheel cylinderTOYOTA MOTOR CO LTD·Filed 1996·Granted Mar 16, 1999·16 cites·12 claims
- 1554US5951120AHydraulic brake control apparatusTOYOTA MOTOR CO LTD·Filed 1997·Granted Sep 14, 1999·13 cites·10 claims
- 1645US5711584AHydraulic brake apparatus for preventing shortage of brake fluid in a master cylinder due to failure of a high pressure sourceTOYOTA MOTOR CO LTD·Filed 1996·Granted Jan 27, 1998·8 cites·10 claims
- 1740US5992949AHydraulic brake control apparatusTOYOTA MOTOR CO LTD·Filed 1997·Granted Nov 30, 1999·6 cites·10 claims
- 1834US4625904AStructure of disc wheelTOYOTA MOTOR CO LTD·Filed 1985·Granted Dec 2, 1986·4 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Fumiaki Kawahata files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →