LexDanaLexDanabeta
Inventor

Koji Aoyagi

Inventor
Tsuchiura, JP

Overview

5→
Patents
1995–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H05Kprimary
H05KPrinted circuits17%
Y10TTechnical subjects covered by former us classification17%
B21BRolling of metal8%
C22CAlloys8%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys8%
G01RMeasuring electric variables8%
G02BOptical elements, systems or apparatus8%
G09BEducational or demonstration appliances8%
H02JElectric power networks8%
H04NPictorial communication, e.g. television8%
PatentTitleYear
8,221,897'Rolled copper foil'20127,789,977'Rolled copper foil and manufacturing method thereof'20106,931,344'Test circuit and semiconductor integrated circuit effectively carrying out verification of connection of nodes'20056,603,285'Power circuit, power supply method, and electronic device'20035,414,544'Display apparatus'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2003Patents assigned to SONY CORP (2)· patent assignee history
1995–2003Based in Kanagawa, JP· patent location history
2005Patents assigned to FUJITSU LTD (1)· patent assignee history
2005Based in Kawasaki, JP· patent location history
2010–2012Patents assigned to HITACHI CABLE (2)· patent assignee history
2010–2012Based in Tsuchiura, JP· patent location history
2012Patents assigned to AOYAGI KOJI (1)· patent assignee history
2012Patents assigned to ITO YASUYUKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CABLE22010–2012
SONY CORP21995–2003
AOYAGI KOJIself12012
FUJITSU LTD12005
ITO YASUYUKI12012
Locations
LocationPatentsSpan
Tsuchiura, JP22010–2012
Kanagawa, JP21995–2003
Kawasaki, JP12005