Inventor

Takeyoshi Owada

Inventor

Funabashi, JP

Overview

2→

Patents

1982–1985

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 2 as inventor

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

H02Kprimary

H02KDynamo-electric machines50%

F04DNon-positive-displacement pumps25%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g25%

PatentTitleYear

4,547,689'Rotary electric machine operable with changeable rated voltage'1985 4,329,122'Submersible motor apparatus'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1985Patents assigned to HITACHI LTD (2)· patent assignee history

1982–1985Based in Funabashi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	2	1982–1985

Locations

Location	Patents	Span
Funabashi, JP	2	1982–1985