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Inventor

Mamoru Hayamizu

Inventor
Tokyo, JP

Overview

7→
Patents
1978–1992
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.

B41Jprimary
B41JTypewriters40%
G01DMeasuring not specially adapted for a specific variable20%
B26DCutting10%
G01BMeasuring length, thickness or similar linear dimensions10%
G01CMeasuring distances, levels or bearings10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
5,121,143'Ink printing head with variable-size heat elements'19924,916,468'Movable ink jet thermal printing head to prevent ink stoppage'19904,803,499'Moveable ink jet thermal printing head'19894,731,621'Recording apparatus having printing head'19884,721,058'Paper cutting unit of automatic drawing machines'19884,136,949'Method for optically measuring a distance'19794,102,571'Method for optically measuring a distance'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1988Patents assigned to SEIKO INSTR & ELECTRONICS (3)· patent assignee history
1978–1992Based in Tokyo, JP· patent location history
1988–1992Patents assigned to SOARTEC CORP (4)· patent assignee history
1988–1990Patents assigned to TOSHIBA KK (2)· patent assignee history
1988–1990Based in Chiba, JP· patent location history
1992Patents assigned to GRAPHTEC KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SOARTEC CORP41988–1992
SEIKO INSTR & ELECTRONICS31978–1988
TOSHIBA KK21988–1990
GRAPHTEC KK11992
Locations
LocationPatentsSpan
Tokyo, JP41978–1992
Chiba, JP31988–1990