Inventor
Masaki Ogihara
Inventor
Yokohama, JP
Overview
Patents· 32 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Cprimary
G11CStatic stores50%
H10BElectronic memory devices14%
H10DInorganic electric semiconductor devices14%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes5%
A61KPreparations for medical, dental or toiletry purposes2%
A61QSpecific use of cosmetics or similar toiletry preparations2%
G01RMeasuring electric variables2%
G06FElectric digital data processing2%
G06KGraphical data reading2%
G07CTime or attendance registers2%
PatentTitleYear
10,925,813Sunscreen composition20217,190,254'Emigrant reception system, emigrant gate system, emigrant control system, emigrant control method, passport applicant information management method, layout of emigrant gate, immigrant reception system, immigrant gate system, immigrant control system, immigrant control method, layout of immigrant gate system, and passport'20077,182,257'Distribution management method and system'20076,880,753'Distribution management method and system'2005RE037427'Dynamic type memory'20016,141,288'Semiconductor memory device allowing change of refresh mode and address switching method therewith'20005,970,015'Semiconductor integrated circuit device allowing change of product specification and chip screening method therewith'19995,812,481'Semiconductor integrated circuit device allowing change of product specification and chip screening method therewith'19985,726,475'Semiconductor device having different impurity concentration wells'19985,712,827'Dynamic type memory'19985,642,326'Dynamic memory'19975,633,827'Semiconductor integrated circuit device allowing change of product specification and chip screening method therewith'19975,619,162'Dram using word line potential circuit control'19975,586,078'Dynamic type memory'19965,559,748'Semiconductor integrated circuit allowing change of product specification and chip screening method therewith'19965,550,504'Dram using word line potential control circuit'19965,475,646'Screening circuitry for a dynamic random access memory'19955,420,816'Semiconductor memory apparatus with configured word lines to reduce noise'19955,386,386'Redundancy circuit having a spare memory block replacing defective memory cells in different blocks'19955,374,838'Semiconductor device having different impurity concentration wells'19945,371,710'Semiconductor memory device having test mode'19945,335,205'DRAM using word line potential control circuitcircuit'19945,303,193'Semiconductor device'19945,272,672'Semiconductor memory device having redundant circuit'19935,260,226'Semiconductor device having different impurity concentration wells'19935,238,860'Semiconductor device having different impurity concentration wells'19935,144,388'Semiconductor device having a plurality of FETs formed in an element area'19925,111,275'Multicell semiconductor memory device'19925,079,613'Semiconductor device having different impurity concentration wells'19924,980,863'Semiconductor memory device having switching circuit for coupling together two pairs of bit lines'19904,931,992'Semiconductor memory having barrier transistors connected between sense and restore circuits'19904,829,483'Method and apparatus for selecting disconnecting first and second bit line pairs for sensing data output from a drain at a high speed'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2001Patents assigned to TOSHIBA KK (28)· patent assignee history
1989–2007Based in Yokohama, JP· patent location history
1994Based in Yokoyama, JP· patent location history
2005–2007Patents assigned to HITACHI LTD (3)· patent assignee history
2021Patents assigned to OTSUKA PHARMA CO LTD (1)· patent assignee history
2021Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 28 | 1989–2001 |
| HITACHI LTD | 3 | 2005–2007 |
| OTSUKA PHARMA CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 30 | 1989–2007 |
| Osaka, JP | 1 | 2021 |
| Yokoyama, JP | 1 | 1994 |