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Inventor

Kentaro Masai

Inventor
Kudamatsu, JP

Overview

6→
Patents
1993–2005
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.

B61Dprimary
B61DBody details or kinds of railway vehicles67%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling11%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles11%
Y02TClimate change mitigation technologies related to transportation11%
PatentTitleYear
6,871,599'Railway car'20056,651,567'Railway car'20036,550,397'Car body'20036,394,000'Car body'20025,287,814'Car body of railway rolling stock and method for fabricating car body'19945,188,039'Method of fixing inside panel of car and structure for fixing the same'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2005Patents assigned to HITACHI LTD (6)· patent assignee history
1993–2005Based in Kudamatsu, JP· patent location history
2003Based in Yamaguchi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD61993–2005
Locations
LocationPatentsSpan
Kudamatsu, JP51993–2005
Yamaguchi, JP12003