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Inventor

Takafumi Ohnishi

Inventor
Hachioji, JP

Overview

3→
Patents
1996–2021
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.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer18%
G11CStatic stores18%
H04BTransmission18%
B62DMotor vehicles9%
G01BMeasuring length, thickness or similar linear dimensions9%
G01DMeasuring not specially adapted for a specific variable9%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure9%
G01RMeasuring electric variables9%
PatentTitleYear
10,933,907Sensor device20216,055,500'Information transfer, recording and reproducing device'20005,510,924'Voice information transfer system capable of easily performing voice information transfer using optical signal'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2000Patents assigned to OLYMPUS OPTICAL CO (2)· patent assignee history
1996–2000Based in Hachioji, JP· patent location history
2021Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (1)· patent assignee history
2021Based in Atsugi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS OPTICAL CO21996–2000
HITACHI AUTOMOTIVE SYSTEMS LTD12021
Locations
LocationPatentsSpan
Hachioji, JP21996–2000
Atsugi, JP12021