Inventor

Yoshiaki Hirata

Inventor
Chiyoda-ku, JP

Overview

14→
Patents
1986–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 14 as inventor

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

B29Dprimary
B29DProducing particular articles from plastics or from substances in a plastic state12%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock12%
B81BMicrostructural devices or systems, e.g. micromechanical devices9%
G01MTesting static or dynamic balance of machines or structures9%
H01LSemiconductor devices9%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%
B60BVehicle wheels6%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems6%
H05KPrinted circuits6%
B29CShaping or joining of plastics3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2008Patents assigned to BRIDGESTONE CORP (6)· patent assignee history
1986–2008Based in Kodaira, JP· patent location history
1987Patents assigned to S G KK (1)· patent assignee history
2000–2020Patents assigned to MITSUBISHI ELECTRIC CORP (8)· patent assignee history
2000–2007Based in Tokyo, JP· patent location history
2009–2020Based in Chiyoda-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP82000–2020
BRIDGESTONE CORP61986–2008
S G KK11987
Locations
LocationPatentsSpan
Chiyoda-ku, JP52009–2020
Tokyo, JP52000–2007
Kodaira, JP41986–2008