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Inventor

Izumi Hayakawa

Inventor
Tokyo, JP

Overview

4→
Patents
1982–2007
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B24Dprimary
B24DTools for grinding, buffing or sharpening38%
C22CAlloys38%
B22FWorking metallic powder13%
H04NPictorial communication, e.g. television13%
PatentTitleYear
7,161,618'Camera system including camera and computer having inter-device control capability and camera thereof'20075,011,510'Composite abrasive-articles and manufacturing method therefor'19914,439,237'Metallurgically bonded diamond-metal composite sintered materials and method of making same'19844,362,535'Sintered metal bonded diamond abrasive articles'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1991Patents assigned to MITSUI MINING & SMELTING CO (3)· patent assignee history
1982–1984Based in Tokyo, JP· patent location history
1991Based in Kamakura, JP· patent location history
2007Patents assigned to MINOLTA CO LTD (1)· patent assignee history
2007Based in Amagasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI MINING & SMELTING CO31982–1991
MINOLTA CO LTD12007
Locations
LocationPatentsSpan
Tokyo, JP21982–1984
Amagasaki, JP12007
Kamakura, JP11991