Inventor

Kaoru Sotoyama

Inventor
Hiroshima, JP

Overview

16→
Patents
1978–1993
Patent span
Performing operations
Primary field (CPC B)

Patents· 16 as inventor

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

B60Kprimary
B60KArrangement or mounting of propulsion units or of transmissions in vehicles31%
F16HGearing27%
B60TVehicle brake control systems or parts thereof15%
B60WConjoint control of vehicle sub-units of different type or different function12%
C22CAlloys4%
F01CRotary-piston or oscillating-piston machines or engines4%
F02BInternal-combustion piston engines4%
F02DControlling combustion engines4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to TOYO KOGYO CO (1)· patent assignee history
1978Based in Saiki, JP· patent location history
1986–1993Patents assigned to MAZDA MOTOR (15)· patent assignee history
1986–1993Based in Hiroshima, JP· patent location history
1990–1991Based in Hatsukaichi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MAZDA MOTOR151986–1993
TOYO KOGYO CO11978
Locations
LocationPatentsSpan
Hiroshima, JP131986–1993
Hatsukaichi, JP21990–1991
Saiki, JP11978