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Inventor

Nobuhisa Kamikawa

Inventor
Hirakata, JP

Overview

11→
Patents
1992–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 11 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E02Fprimary
E02FDredging28%
F04BPositive-displacement machines for liquids22%
F16HGearing11%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles6%
B62DMotor vehicles6%
F02DControlling combustion engines6%
F03CPositive-displacement engines driven by liquids6%
F15BSystems acting by means of fluids in general6%
F16KValves6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
10,794,480Control mechanism for stepless transmission20207,775,309'Pump unit'20107,677,038'Pump unit'20107,370,476'Pump system, charge relief mechanism and oil pressure control mechanism'20085,983,151'Tractive force control apparatus and method for construction equipment'19995,950,141'Dozing system for bulldozer'19995,862,868'Bulldozer blade pitch control method and controller for the same'19995,799,737'Blade apparatus and its control method in bulldozer'19985,620,053'Blade apparatus and its control method in bulldozer'19975,551,524'Remote control apparatus of a construction machine'19965,077,974'Constant power displacement control cutoff system with adjustable relief valve'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to KOMATSU SETSAKUSHO KK (1)· patent assignee history
1992Based in Neyagawa, JP· patent location history
1996–1999Patents assigned to KOMATSU MFG CO LTD (6)· patent assignee history
1996–1999Based in Hirakata, JP· patent location history
1999Based in Osaka, JP· patent location history
2008–2020Patents assigned to KANZAKI KOKYUKOKI MFG CO LTD (4)· patent assignee history
2008Based in Hyogo, JP· patent location history
2010–2020Based in Amagasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOMATSU MFG CO LTD61996–1999
KANZAKI KOKYUKOKI MFG CO LTD42008–2020
KOMATSU SETSAKUSHO KK11992
Locations
LocationPatentsSpan
Hirakata, JP51996–1999
Amagasaki, JP32010–2020
Hyogo, JP12008
Osaka, JP11999
Neyagawa, JP11992