LexDanaLexDanabeta
Inventor

Masahiko Sakagami

Inventor
Kyoto, JP

Overview

14→
Patents
1989–2021
Patent span
Physics
Primary field (CPC G)

Patents· 14 as inventor

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

G11Cprimary
G11CStatic stores65%
G06FElectric digital data processing12%
H10DInorganic electric semiconductor devices12%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1012%
PatentTitleYear
11,112,892Stylus pen2021RE041879'Semiconductor memory device'20107,468,900'Semiconductor memory device having a bitline amplified to a positive voltage and a negative voltage'20087,307,866'Ferroelectric memory and method for reading data from the ferroelectric memory'20077,280,406'Semiconductor memory device'20077,136,313'Semiconductor storage device'20067,085,148'Semiconductor memory device'20067,016,247'Semiconductor memory apparatus'20066,320,229'Semiconductor device'20015,233,557'Memory control device'19935,227,697'Dynamic type semiconductor memory'19935,144,578'Semiconductor device having multiple supply potential paths for reducing electrical interference between circuits contained therein'19925,065,052'Arbiter circuit using plural-reset RS flip-flops'19914,821,299'Semiconductor integrated circuit device including shift register having substantially equalized wiring between stages thereof'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2001Patents assigned to MATSUSHITA ELECTRONICS CORP (3)· patent assignee history
1989–1992Based in Takatsuki, JP· patent location history
1991–2007Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (8)· patent assignee history
1993Based in Osaka, JP· patent location history
2001–2008Based in Kyoto, JP· patent location history
2006–2007Based in Kameoka, JP· patent location history
2008–2010Patents assigned to PANASONIC CORP (2)· patent assignee history
2021Patents assigned to MITSUBISHI PENCIL CO (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD81991–2007
MATSUSHITA ELECTRONICS CORP31989–2001
PANASONIC CORP22008–2010
MITSUBISHI PENCIL CO12021
Locations
LocationPatentsSpan
Kyoto, JP42001–2008
Kameoka, JP32006–2007
Takatsuki, JP31989–1992
Osaka, JP21993
Tokyo, JP12021