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Inventor

Ryouzou Yoshino

Inventor
Hadano, JP

Overview

10→
Patents
1999–2004
Patent span
Physics
Primary field (CPC G)

Patents· 10 as inventor

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

G06Kprimary
G06KGraphical data reading50%
G07CTime or attendance registers11%
H01QAntennas, i.e. radio aerials11%
H02JElectric power networks11%
H10DInorganic electric semiconductor devices11%
H04LTransmission of digital information, e.g. telegraphic communication6%
PatentTitleYear
6,831,378'Semiconductor integrated circuit device and contactless electronic device'20046,686,750'Semiconductor integrated circuit device and IC card'20046,608,550'Reader and/or writer apparatus, power feeding system, and communication system'20036,487,100'Semiconductor integrated circuit device and contactless electronic device'20026,427,065'Power transmission system, IC card and information communication system using IC card'20026,420,883'Semiconductor integrated circuit device and IC card'20026,321,067'Power transmission system IC card and information communication system using IC card'20016,194,993'Reader and/or writer apparatus, power feeding system, and communication system'20016,173,900'IC card'20015,949,823'Data communication system and radio IC card system'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2004Patents assigned to HITACHI LTD (8)· patent assignee history
1999–2004Based in Hadano, JP· patent location history
2001–2003Patents assigned to KOKUSAI ELECTRIC CO LTD (2)· patent assignee history
2002–2004Patents assigned to HITACHI ULSI SYS CO LTD (2)· patent assignee history
2004Patents assigned to RENESAS TECH CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD81999–2004
HITACHI ULSI SYS CO LTD22002–2004
KOKUSAI ELECTRIC CO LTD22001–2003
RENESAS TECH CORP12004
Locations
LocationPatentsSpan
Hadano, JP101999–2004