Inventor

Tatsuya Ohtaka

Inventor
Hitachi, JP

Overview

8→
Patents
1999–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1042%
H05KPrinted circuits17%
B61DBody details or kinds of railway vehicles8%
G01DMeasuring not specially adapted for a specific variable8%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure8%
H03KPulse technique8%
Y10TTechnical subjects covered by former us classification8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2012Patents assigned to HITACHI CABLE (8)· patent assignee history
1999–2003Based in Ibaraki, JP· patent location history
2005–2007Based in Tokyo, JP· patent location history
2008–2012Based in Hitachi, JP· patent location history
2009–2012Patents assigned to ASMO CO LTD (2)· patent assignee history
2012Patents assigned to AOYAMA TAKASHI (1)· patent assignee history
2012Patents assigned to HATTORI AKIO (1)· patent assignee history
2012Patents assigned to OHTAKA TATSUYA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CABLE81999–2012
ASMO CO LTD22009–2012
AOYAMA TAKASHI12012
HATTORI AKIO12012
OHTAKA TATSUYAself12012
Locations
LocationPatentsSpan
Hitachi, JP32008–2012
Tokyo, JP32005–2007
Ibaraki, JP21999–2003