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Inventor

Fumiaki Kawahara

Inventor
Hirakata, JP

Overview

5→
Patents
2011–2014
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B62Dprimary
B62DMotor vehicles25%
E02FDredging25%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material8%
B21JForging8%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels8%
F16HGearing8%
F16SConstructional elements in general8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
8,904,844'Method of manufacturing sprocket segment, and sprocket segment'20148,365,571'Pipe expanding method and pipe expanding device for steel pipe'20138,132,853'Cab and construction machine'20128,079,636'Cab for construction machine'20117,959,219'Reinforcement structure for pipe and cab structure for construction machine having the same'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2014Patents assigned to KOMATSU MFG CO LTD (5)· patent assignee history
2011–2014Patents assigned to KAWAHARA FUMIAKI (4)· patent assignee history
2011–2013Patents assigned to NOGUCHI TAKAHIRO (3)· patent assignee history
2011–2012Patents assigned to NAMURA AKIHIDE (2)· patent assignee history
2011–2012Patents assigned to TANAKA HIROAKI (2)· patent assignee history
2011–2014Based in Hirakata, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOMATSU MFG CO LTD52011–2014
KAWAHARA FUMIAKIself42011–2014
NOGUCHI TAKAHIRO32011–2013
NAMURA AKIHIDE22011–2012
TANAKA HIROAKI22011–2012
Locations
LocationPatentsSpan
Hirakata, JP52011–2014