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Inventor

Teruyuki Naka

Inventor
Izumi, JP

Overview

15→
Patents
1989–2021
Patent span
Physics
Primary field (CPC G)

Patents· 15 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 transducer29%
G03GElectrography19%
H04NPictorial communication, e.g. television19%
F16FSprings10%
G01SRadio direction-finding5%
G05DSystems for controlling or regulating non-electric variables5%
G06FElectric digital data processing5%
G08GTraffic control systems5%
LOC145%
PatentTitleYear
10,908,271Mining work machine and obstacle discrimination device20218,752,080'Turntable having elastic layer with high contact pressure portion'20147,831,984'Disk drive with established resonance frequencies for damper member'20107,581,233'Disk loading apparatus with cartridge urging member operating cooperatively with disk rotating unit transverse holder'20097,051,346'Disk drive apparatus having particular clamping device'20066,741,544'Disk drive apparatus'2004D0483754'Tray for optical disk recorder'20036,434,096'Optical information recording/reproducing device'20026,345,116'Image processing apparatus'20026,233,066'Image processing apparatus, method for image processing, and image reader apparatus'20015,776,544'Charging device and an image forming apparatus using a charging device'19985,634,179'Charging device and image forming apparatus containing the charging device'19975,548,380'Charging device and an image forming apparatus using a charging device'19965,457,517'Image forming apparatus having a plurality of support surfaces'19954,816,921'Document reading apparatus'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2006Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (11)· patent assignee history
1995–2010Based in Izumi, JP· patent location history
2002Based in Izumisi, JP· patent location history
2003–2014Based in Osaka, JP· patent location history
2006Based in Isumi, JP· patent location history
2009–2014Patents assigned to PANASONIC CORP (3)· patent assignee history
2014Patents assigned to ARIYOSHI YUJI (1)· patent assignee history
2014Patents assigned to MAEDA SHINICHI (1)· patent assignee history
2021Patents assigned to HITACHI CONSTRUCTION MACH CO (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD111989–2006
PANASONIC CORP32009–2014
ARIYOSHI YUJI12014
HITACHI CONSTRUCTION MACH CO12021
MAEDA SHINICHI12014
Locations
LocationPatentsSpan
Izumi, JP91995–2010
Osaka, JP22003–2014
Tokyo, JP12021
Isumi, JP12006
Izumisi, JP12002