Inventor

Tomisaburo Okumura

Inventor

Kyoto, JP

Overview

5→

Patents

1976–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 5 as inventor

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

H10Dprimary

H10DInorganic electric semiconductor devices13%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%

A61BDiagnosis7%

A61KPreparations for medical, dental or toiletry purposes7%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%

C10MLubricating compositions7%

G06KGraphical data reading7%

G06TImage data processing or generation, in general7%

G06VImage or video recognition or understanding7%

PatentTitleYear

11,064,895Pulse wave detection device, image analysis device, and biometric information generation system2021 4,218,764'Non-volatile memory refresh control circuit'1980 4,177,096'Method for manufacturing a semiconductor integrated circuit device'1979 4,113,533'Method of making a MOS device'1978 3,973,271'Semiconductor device having bonding pads extending over active regions'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1979Patents assigned to MATSUSHITA ELECTRONICS CORP (3)· patent assignee history

1976–1980Based in Kyoto, JP· patent location history

1980Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history

2021Patents assigned to SHARP KK (1)· patent assignee history

2021Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRONICS CORP	3	1976–1979
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	1	1980
SHARP KK	1	2021

Locations

Location	Patents	Span
Kyoto, JP	4	1976–1980
Sakai, JP	1	2021