Inventor
Seiji Inaba
Inventor
Hitachinaka, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer29%
C03CChemical composition of glasses, glazes or vitreous enamels24%
H01LSemiconductor devices10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%
B60NSeats specially adapted for vehicles5%
B82YSpecific uses or applications of nanostructures5%
C03BManufacture, shaping, or supplementary processes5%
C08JWorking-up5%
H04QSelecting5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
PatentTitleYear
11,028,005Glass for semiconductor processing202111,021,389Supporting glass substrate202110,435,327Glass article201910,407,334Composite shaped body and silica glass, and method for producing the same20199,758,424'Anisotropic glass'20178,503,274'Optical disc device that operates with a reduced current consumption after a power-on reset, and method thereof'20137,362,665'Seek method of optical disks and optical storage device'20087,319,652'Controlling optical pickup of optical disk drive by detecting change of sampling signals taken from a motor drive signal'20086,954,414'Controlling optical pickup of optical disk drive by detecting change of sampling signals taken from a motor drive signal'20056,700,846'Information recording and reproducing apparatus and disk discrimination method thereof'20046,510,115'Information recording and reproducing apparatus and disk discrimination method thereof'20035,754,526'Channel switching method and channel switching controller'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2004Patents assigned to HITACHI LTD (2)· patent assignee history
2003–2008Based in Hitachinaka, JP· patent location history
2005–2013Patents assigned to HITACHI LG DATA STORAGE INC (4)· patent assignee history
2008–2013Based in Yokohama, JP· patent location history
2013–2019Patents assigned to INABA SEIJI (2)· patent assignee history
2017–2019Patents assigned to ASAHI GLASS CO LTD (2)· patent assignee history
2017–2021Based in Tokyo, JP· patent location history
2019–2021Patents assigned to AGC INC (3)· patent assignee history
2019Based in Fukuoka, JP· patent location history
2021Based in Chiyoda-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LG DATA STORAGE INC | 4 | 2005–2013 |
| AGC INC | 3 | 2019–2021 |
| ASAHI GLASS CO LTD | 2 | 2017–2019 |
| HITACHI LTD | 2 | 2003–2004 |
| INABA SEIJIself | 2 | 2013–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 4 | 2003–2008 |
| Tokyo, JP | 3 | 2017–2021 |
| Yokohama, JP | 2 | 2008–2013 |
| Chiyoda-ku, JP | 1 | 2021 |
| Fukuoka, JP | 1 | 2019 |