Inventor
Tadahiko Nogami
Inventor
Mito, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification18%
F04BPositive-displacement machines for liquids15%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof12%
B21BRolling of metal9%
F02DControlling combustion engines9%
F15BSystems acting by means of fluids in general6%
F16KValves6%
H01HElectric switches6%
B60TVehicle brake control systems or parts thereof3%
F01CRotary-piston or oscillating-piston machines or engines3%
PatentTitleYear
7,832,995'Variable displacement vane pump and method of manufacturing the same'20107,565,954'Brake control apparatus for vehicle'20096,725,837'Fuel supply system'20046,701,898'Fuel supply apparatus and method of control thereof'20046,588,292'Transmission including clutch and shaft driving device'20036,505,608'Fuel supply system'20035,884,597'Fuel feeding apparatus for internal combustion engine and vehicle using the fuel feeding apparatus'19995,804,787'Gas circuit breaker and liquid pressure-driving system to be used therefor'19985,750,950'Hydraulic drive device for circuit breaker and circuit breaker using the same'19985,699,693'Widthwise compressing machine and method using vibrations to reduce material width'19975,040,569'Direct-operated servo valve, fluid pressure servo mechanism and control method for the direct-operated servo valve'19915,014,748'Rotary valve'19914,735,233'Rotary valve'19884,566,954'Method of and apparatus for split rolling of steel sheet'19864,529,362'Servo pump for hydraulic systems'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2010Patents assigned to HITACHI LTD (15)· patent assignee history
1985–1988Based in Ibaraki, JP· patent location history
1986–2009Based in Chiyoda-ku, JP· patent location history
1991–2010Based in Mito, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 15 | 1985–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mito, JP | 11 | 1991–2010 |
| Chiyoda-ku, JP | 2 | 1986–2009 |
| Ibaraki, JP | 2 | 1985–1988 |