LexDanaLexDanabeta
Inventor

Hitoshi Shirai

Inventor
Sagamihara, JP

Overview

16→
Patents
1981–2021
Patent span
Physics
Primary field (CPC G)

Patents· 16 as inventor

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

F16Hprimary
F16HGearing15%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them15%
H02KDynamo-electric machines15%
G02BOptical elements, systems or apparatus11%
H01RElectrically-conductive connections7%
H05KPrinted circuits7%
F16CShafts4%
G01DMeasuring not specially adapted for a specific variable4%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure4%
G06FElectric digital data processing4%
PatentTitleYear
11,133,727Electric actuator202111,031,841Electric actuator202110,978,939Electric actuator202110,978,820IC socket with contacts having a retained portion202110,939,560Adjustable height data transmission contact202110,910,911Electric actuator including two cases fixed to each other202110,908,042Pressure sensor device and hydraulic control apparatus20214,945,372'Camera'19904,764,784'Camera with a built-in zoom lens'19884,621,906'Auto-focus zoom lens assembly'19864,572,645'Exposure control device for camera'19864,508,443'Lens barrel'19854,411,509'Take-up assembly for automatic film loading of camera'19834,368,439'Frequency shift keying system'19834,363,547'Apparatus for mounting a film magazine into camera'19824,293,931'Memory refresh control system'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1983Patents assigned to FUJITSU LTD (2)· patent assignee history
1981–1983Based in Yokohama, JP· patent location history
1982–1990Patents assigned to OLYMPUS OPTICAL CO (7)· patent assignee history
1982–1990Based in Sagamihara, JP· patent location history
2021Patents assigned to NIDEC TOSOK CORP (5)· patent assignee history
2021Patents assigned to TYCO ELECTRONICS JAPAN G K (2)· patent assignee history
2021Patents assigned to TE Connectivity Services Gmbh (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history
2021Based in Kawasaki, JP· patent location history
2021Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS OPTICAL CO71982–1990
NIDEC TOSOK CORP52021
FUJITSU LTD21981–1983
TYCO ELECTRONICS JAPAN G K22021
TE Connectivity Services Gmbh12021
Locations
LocationPatentsSpan
Sagamihara, JP71982–1990
Kanagawa, JP32021
Yokohama, JP21981–1983
Kawasaki, JP12021
Kyoto, JP12021