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Inventor

Toshiki Kajiyama

Inventor
Katsuta, JP

Overview

2→
Patents
1989–1990
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B66Bprimary
B66BElevators100%
PatentTitleYear
4,958,707'Elevator control system'19904,872,532'Signal transmission method and system in elevator equipment'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to HITACHI LTD (2)· patent assignee history
1989–1990Based in Katsuta, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21989–1990
Locations
LocationPatentsSpan
Katsuta, JP21989–1990