LexDanaLexDanabeta
Inventor

Takafumi Okamoto

Inventor
Kobe, JP

Overview

2→
Patents
2008–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B60Gprimary
B60GVehicle suspension arrangements33%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles33%
H03KPulse technique33%
PatentTitleYear
10,981,584Wheel load adjusting apparatus of railcar20217,439,779'Driver circuit'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history
2008Based in Nagaokakyo, JP· patent location history
2021Patents assigned to KAWASAKI HEAVY IND LTD (1)· patent assignee history
2021Based in Kobe, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAWASAKI HEAVY IND LTD12021
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12008
Locations
LocationPatentsSpan
Kobe, JP12021
Nagaokakyo, JP12008