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Inventor

Michihiro Ohta

Inventor
Sakado, JP

Overview

3→
Patents
1999–2021
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G06Kprimary
G06KGraphical data reading33%
G11BInformation storage based on relative movement between record carrier and transducer33%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light33%
PatentTitleYear
10,998,695Semiconductor laser device, manufacturing method thereof, and light emitting device20216,144,624'Method and device for controlling tracking of optical memory card'20005,979,759'IC card reader/writer and its control method'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2000Patents assigned to NIPPON CONLUX CO LTD (2)· patent assignee history
1999–2000Based in Sakado, JP· patent location history
2021Patents assigned to SHARP KK (1)· patent assignee history
2021Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON CONLUX CO LTD21999–2000
SHARP KK12021
Locations
LocationPatentsSpan
Sakado, JP21999–2000
Sakai, JP12021