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Inventor

Masahiko Matsumoto

Inventor
Yokohama, JP

Overview

14→
Patents
1982–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 14 as inventor

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

G06Fprimary
G06FElectric digital data processing14%
H10DInorganic electric semiconductor devices14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
F01LCyclically operating valves for machines or engines7%
F01MLubricating of machines or engines in general7%
F02FCylinders, pistons or casings, for combustion engines7%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
A61KPreparations for medical, dental or toiletry purposes3%
C07DHeterocyclic compounds3%
PatentTitleYear
10,224,146Inductive coupling system and communication system20196,998,663'Semiconductor device having capacitor and method of manufacturing the same'20066,983,402'Computer device'20066,746,929'Semiconductor device having capacitor and method of manufacturing the same'20046,721,903'Apparatus and method for processing information continuously even against extraneously incoming noise'20046,682,967'Semiconductor device and method of making the same'20046,525,402'Semiconductor wafer, method of manufacturing the same and semiconductor device'20036,399,992'Semiconductor device and method of making the same'20026,253,305'Microprocessor for supporting reduction of program codes in size'20015,966,514'Microprocessor for supporting reduction of program codes in size'19995,043,156'Method of treating infectious diseases with granulocyte colony-stimulating factor'19914,858,574'Hydraulic circuit for a valve operating timing control device for an internal combustion engine'19894,807,574'Valve operating device for internal combustion engine'19894,355,038'.alpha.-Substituted ureido-benzylpenicillanic acids'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1991Patents assigned to CHUGAI PHARMACEUTICAL CO LTD (2)· patent assignee history
1982–2019Based in Kawasaki, JP· patent location history
1989Patents assigned to HONDA MOTOR CO LTD (2)· patent assignee history
1989Based in Saitama, JP· patent location history
1999–2006Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (4)· patent assignee history
1999–2001Based in Nagaokakyo, JP· patent location history
2002–2019Patents assigned to TOSHIBA KK (6)· patent assignee history
2002–2006Based in Yokohama, JP· patent location history
2004–2006Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK62002–2019
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41999–2006
CHUGAI PHARMACEUTICAL CO LTD21982–1991
HONDA MOTOR CO LTD21989
Locations
LocationPatentsSpan
Yokohama, JP42002–2006
Kawasaki, JP21982–2019
Kyoto, JP22004–2006
Nagaokakyo, JP21999–2001
Saitama, JP21989