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Inventor

Yoshisuke Akita

Inventor
Hasuda, JP

Overview

4→
Patents
1986–1990
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G05Dprimary
G05DSystems for controlling or regulating non-electric variables50%
F04BPositive-displacement machines for liquids38%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
4,932,840'Control apparatus of variable delivery pump'19904,930,992'Control apparatus of variable delivery pump'19904,886,422'Control apparatus of variable delivery pump'19894,630,639'Apparatus for controlling pressure and flow rate'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1990Patents assigned to TOKYO KEIKI KK (4)· patent assignee history
1986Based in Tokyo, JP· patent location history
1989–1990Based in Hasuda, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKYO KEIKI KK41986–1990
Locations
LocationPatentsSpan
Hasuda, JP31989–1990
Tokyo, JP11986