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Inventor

Ryokichi Kanai

Inventor
Toda, JP

Overview

3→
Patents
1983–1984
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television100%
PatentTitleYear
4,463,376'Television signal processing system for a wireless pay system'19844,429,331'Video cipher processing system'19844,369,462'Coding system for pay television'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to CLARION CO INC (1)· patent assignee history
1983–1984Based in Toda, JP· patent location history
1984Patents assigned to CLARION CO LTD (2)· patent assignee history
1984Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CLARION CO LTD21984
CLARION CO INC11983
Locations
LocationPatentsSpan
Toda, JP21983–1984
Saitama, JP11984