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Inventor

Mineharu Uchiyama

Inventor
Kawasaki, JP

Overview

7→
Patents
1997–2020
Patent span
Physics
Primary field (CPC G)

Patents· 7 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 transducer50%
G01BMeasuring length, thickness or similar linear dimensions10%
G01SRadio direction-finding10%
G02BOptical elements, systems or apparatus10%
H04NPictorial communication, e.g. television10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
10,816,663Distance measuring device and distance measuring method20208,773,669'Optical device'20147,072,268'Optical pickup apparatus, optical disk apparatus, and tracking error signal detection method'20066,975,576'Optical head device and disk drive system having first and second light sources for emitting light beams of different wavelengths'20056,163,409'Optical head, optical component for use therein, method of manufacturing the same, and optical disk apparatus'20005,715,231'Objective lens driving apparatus and optical head driving apparatus'19985,615,057'Image record/playback apparatus including a photographing device and a connectable playback device'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2020Patents assigned to TOSHIBA KK (7)· patent assignee history
1997–2000Based in Yokohama, JP· patent location history
2005–2020Based in Kawasaki, JP· patent location history
2014Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK71997–2020
Locations
LocationPatentsSpan
Kawasaki, JP32005–2020
Yokohama, JP31997–2000
Kanagawa, JP12014