LexDanaLexDanabeta
Inventor

Kunio Yamanaka

Inventor
Hitachi, JP

Overview

3→
Patents
1981–1984
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.

G05Bprimary
G05BControl or regulating systems in general75%
G06FElectric digital data processing25%
PatentTitleYear
4,455,619'Interactive equipment for computer programming by linkage of labeled block representations of arithmetic/logical subprograms'19844,316,260'Sequence display controlling method and controller'19824,298,958'Sequence control system'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1984Patents assigned to HITACHI LTD (3)· patent assignee history
1981–1982Based in Hitachi, JP· patent location history
1984Based in Mito, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD31981–1984
Locations
LocationPatentsSpan
Hitachi, JP21981–1982
Mito, JP11984