Inventor

Tamotsu Tominaga

Inventor
Akishima, JP

Overview

13→
Patents
1981–2003
Patent span
Physics
Primary field (CPC G)

Patents· 13 as inventor

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

G01Lprimary
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure25%
G11BInformation storage based on relative movement between record carrier and transducer20%
H10DInorganic electric semiconductor devices10%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for5%
G01BMeasuring length, thickness or similar linear dimensions5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices5%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2002Patents assigned to HITACHI ELECTRONICS (6)· patent assignee history
1981–1982Patents assigned to NISSAN MOTOR (5)· patent assignee history
1981–2003Based in Akishima, JP· patent location history
1981–1982Based in Yokohama, JP· patent location history
1984Patents assigned to HITACHI LTD (1)· patent assignee history
1999Patents assigned to KANSEI KK (1)· patent assignee history
1999Based in Omiya, JP· patent location history
2003Patents assigned to HITACHI INT ELECTRIC INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI ELECTRONICS61981–2002
NISSAN MOTOR51981–1982
HITACHI INT ELECTRIC INC12003
HITACHI LTD11984
KANSEI KK11999
Locations
LocationPatentsSpan
Akishima, JP71981–2003
Yokohama, JP51981–1982
Omiya, JP11999