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Inventor

Frank Y. Chu

Inventor
Islington, CA

Overview

3→
Patents
1991–1999
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G01Kprimary
G01KMeasuring temperature50%
G07CTime or attendance registers25%
G21HObtaining energy from radioactive sources25%
PatentTitleYear
5,859,484'Radioisotope-powered semiconductor battery'19995,257,863'Electronic rotor temperature sensor'19935,019,760'Thermal life indicator'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1993Patents assigned to ELECTRIC POWER RES INST (2)· patent assignee history
1991–1999Based in Islington, CA· patent location history
1993Based in Ontario, CA· patent location history
1999Patents assigned to ONTARIO HYDRO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ELECTRIC POWER RES INST21991–1993
ONTARIO HYDRO11999
Locations
LocationPatentsSpan
Islington, CA21991–1999
Ontario, CA11993