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Inventor

Kazuhiro Tsukamoto

Inventor
Tokyo, JP

Overview

21→
Patents
1989–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 21 as inventor

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

H10Bprimary
H10BElectronic memory devices22%
G11CStatic stores19%
H03HImpedance networks, e.g. resonant circuits16%
H10DInorganic electric semiconductor devices16%
G10HElectrophonic musical instruments9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
H01PWaveguides3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
10,554,195Band-pass filter and branching filter202010,263,600Band-pass filter and branching filter201910,193,527Branching filter20199,871,500'Multilayer electronic component'20189,413,328'Diplexer including two bandpass filters'20168,580,632'Semiconductor device and method of manufacturing same'20138,384,160'Semiconductor device and method of manufacturing same'20137,777,280'Semiconductor device and manufacturing method thereof'20106,888,245'Semiconductor device'20056,483,140'DRAM storage node with insulating sidewalls'20026,025,652'Semiconductor device and method of producing same'20005,580,813'Method of forming a semiconductor memory device having a contact region between memory cell and an interlayer insolating layer'19965,578,861'Semiconductor device having redundant circuit'19965,571,983'Abutment device for a key switch arrangement operable with both hammer-equipped and hammerless keyboards for electronic musical instruments'19965,542,332'Keyboard apparatus for electronic musical instrument'19965,448,512'Semiconductor memory device with contact region intermediate memory cell and peripheral circuit'19955,406,875'Keyboard apparatus for electronic musical instrument'19954,934,826'Block partitioned dynamic semiconductor memory device'19904,843,596'Semiconductor memory device with address transition detection and timing control'19894,837,747'Redundary circuit with a spare main decoder responsive to an address of a defective cell in a selected cell block'19894,823,322'Dynamic random access memory device having an improved timing arrangement'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2002Patents assigned to MITSUBISHI ELECTRIC CORP (9)· patent assignee history
1989–1996Based in Hyogo, JP· patent location history
1989Based in Itami, JP· patent location history
1995–1996Patents assigned to KAWAI MUSICAL INSTR MFG CO (3)· patent assignee history
1995–1996Based in Hamamatsu, JP· patent location history
1996Based in Shizuoka, JP· patent location history
2000–2020Based in Tokyo, JP· patent location history
2005–2010Patents assigned to RENESAS TECH CORP (2)· patent assignee history
2013Patents assigned to RENESAS ELECTRONICS CORP (2)· patent assignee history
2016–2020Patents assigned to TDK CORP (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP91989–2002
TDK CORP52016–2020
KAWAI MUSICAL INSTR MFG CO31995–1996
RENESAS ELECTRONICS CORP22013
RENESAS TECH CORP22005–2010
Locations
LocationPatentsSpan
Tokyo, JP112000–2020
Hyogo, JP41989–1996
Hamamatsu, JP21995–1996
Itami, JP21989
Shizuoka, JP11996