Inventor

Sadao Ishihara

Inventor
Sakai, JP

Overview

7→
Patents
1979–2005
Patent span
Performing operations
Primary field (CPC B)

Patents· 7 as inventor

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

LOCD1primary
LOCD133%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material11%
B41JTypewriters11%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for11%
E04CStructural elements11%
G01RMeasuring electric variables11%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them11%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1989Patents assigned to MINOLTA CAMERA KK (5)· patent assignee history
1980–1982Based in Sakai, JP· patent location history
1981Based in Toyokawa, JP· patent location history
1989Based in Toyohashi, JP· patent location history
2003Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
2003Based in Okazaki, JP· patent location history
2005Patents assigned to FUJITSU LTD (1)· patent assignee history
2005Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINOLTA CAMERA KK51979–1989
FUJITSU LTD12005
TOYOTA MOTOR CO LTD12003
Locations
LocationPatentsSpan
Sakai, JP21980–1982
Yokohama, JP12005
Okazaki, JP12003
Toyohashi, JP11989
Toyokawa, JP11981