Inventor

Katsuyuki Matsumoto

Inventor
Hitachi, JP

Overview

11→
Patents
1994–2010
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

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

H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1022%
G11BInformation storage based on relative movement between record carrier and transducer17%
C25DProcesses for the electrolytic or electrophoretic production of coatings11%
G06FElectric digital data processing11%
H05KPrinted circuits11%
Y10TTechnical subjects covered by former us classification11%
C22CAlloys6%
C23CCoating metallic material6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2003Patents assigned to SANYO ELECTRIC CO (3)· patent assignee history
1994Based in Shijonawate, JP· patent location history
2000–2003Patents assigned to HITACHI LTD (4)· patent assignee history
2000–2005Patents assigned to SANYO TECHNOSOUND CO LTD (3)· patent assignee history
2000–2010Based in Hitachi, JP· patent location history
2000–2003Based in Osaka, JP· patent location history
2003Patents assigned to SANYO TECNOSOUND CO LTD (1)· patent assignee history
2005Based in Hirakata, JP· patent location history
2006–2010Patents assigned to HITACHI CABLE (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD42000–2003
SANYO ELECTRIC CO31994–2003
SANYO TECHNOSOUND CO LTD32000–2005
HITACHI CABLE22006–2010
SANYO TECNOSOUND CO LTD12003
Locations
LocationPatentsSpan
Hitachi, JP62000–2010
Hirakata, JP22005
Osaka, JP22000–2003
Shijonawate, JP11994