Inventor

Chisaki Takubo

Inventor
Tokyo, JP

Overview

15→
Patents
1998–2021
Patent span
Physics
Primary field (CPC G)

Patents· 15 as inventor

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

G01Pprimary
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock32%
B81BMicrostructural devices or systems, e.g. micromechanical devices18%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%
G01CMeasuring distances, levels or bearings6%
H10DInorganic electric semiconductor devices6%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems3%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves3%
G01RMeasuring electric variables3%
G01VGeophysics3%
G02BOptical elements, systems or apparatus3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to HITACHI MEDIA ELECTRON KK (1)· patent assignee history
1998–2000Based in Hachioji, JP· patent location history
2000–2021Patents assigned to HITACHI LTD (12)· patent assignee history
2006–2014Based in Kodaira, JP· patent location history
2014–2016Patents assigned to JEONG HEEWON (2)· patent assignee history
2014–2016Patents assigned to TAKUBO CHISAKI (2)· patent assignee history
2016Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (1)· patent assignee history
2016–2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD122000–2021
JEONG HEEWON22014–2016
TAKUBO CHISAKIself22014–2016
HITACHI AUTOMOTIVE SYSTEMS LTD12016
HITACHI MEDIA ELECTRON KK11998
Locations
LocationPatentsSpan
Tokyo, JP102016–2021
Kodaira, JP32006–2014
Hachioji, JP21998–2000