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Inventor

Shigeki Sakurai

Inventor
Yokohama, JP

Overview

15→
Patents
1980–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 15 as inventor

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

H04Qprimary
H04QSelecting15%
G06FElectric digital data processing10%
G06KGraphical data reading10%
H01QAntennas, i.e. radio aerials10%
H04BTransmission10%
H04NPictorial communication, e.g. television10%
LOCD010%
B26BHand-held cutting tools not otherwise provided for5%
G06TImage data processing or generation, in general5%
G10HElectrophonic musical instruments5%
PatentTitleYear
11,132,132Storage apparatus including nonvolatile memory20218,373,560'Communication apparatus and portable communication terminal using the same'20138,125,337'Communication apparatus and portable communication terminal using the same'20128,107,641'Communication system and control method therefor, program, and storage medium'20126,832,104'Card having communication function'20045,915,792'Foldable knife'19995,586,172'Telephone exchange system'19965,530,743'Telephone exchange apparatus and tone sending method in telephone exchange apparatus'19965,515,430'Volume controller'19965,481,605'Private branch exchange capable of analyzing information received from ISDN'19964,799,110'Image signal coding apparatus'19894,750,043'Decoding apparatus for image code'1988D0276887'Pocket knife'1984D0256982'Pocketknife'1980D0256981'Pocketknife'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2013Patents assigned to SAKURAI SHIGEKI (6)· patent assignee history
1980–1984Based in Midori-machi, Seki City, Gifu-ken, JP· patent location history
1988–2012Patents assigned to CANON KK (8)· patent assignee history
1988–2012Based in Yokohama, JP· patent location history
1999Based in Seki, JP· patent location history
2004Based in Kanagawa, JP· patent location history
2012–2013Patents assigned to NEC CORP (2)· patent assignee history
2012–2013Patents assigned to UCHIYAMA JIROU (2)· patent assignee history
2012–2013Patents assigned to YAMAGA MASASHI (2)· patent assignee history
2012–2013Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK81988–2012
SAKURAI SHIGEKIself61980–2013
NEC CORP22012–2013
UCHIYAMA JIROU22012–2013
YAMAGA MASASHI22012–2013
Locations
LocationPatentsSpan
Yokohama, JP71988–2012
Midori-machi, Seki City, Gifu-ken, JP31980–1984
Tokyo, JP22012–2013
Kanagawa, JP12004
Seki, JP11999