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Inventor

Hitoshi Sawamura

Inventor
Ishikawa, JP

Overview

6→
Patents
1982–1999
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

B30Bprimary
B30BPresses in general33%
F15BSystems acting by means of fluids in general17%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material8%
B23KSoldering or unsoldering8%
B23PMetal-working not otherwise provided for8%
B62DMotor vehicles8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
6,003,429'High speed and high-load cylinder device and method for controlling the same'19995,957,046'High speed hydraulic press'19995,865,088'High-speed safety circuit for a hydraulic press'19995,558,000'High speed and high load cylinder device'19965,168,610'Complex machine tool'19924,332,573'Sprocket wheels of an endless track-type vehicle'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1999Patents assigned to KOMATSU MFG CO LTD (6)· patent assignee history
1982Based in Hirakata, JP· patent location history
1992–1999Based in Ishikawa, JP· patent location history
1996Based in Komatsu, JP· patent location history
1999Patents assigned to KOMATSU IND CORP (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOMATSU MFG CO LTD61982–1999
KOMATSU IND CORP31999
Locations
LocationPatentsSpan
Ishikawa, JP41992–1999
Komatsu, JP11996
Hirakata, JP11982