Inventor
Isao Asano
Inventor
Furukawa, JP
Overview
Patents· 29 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 transducer35%
G08BSignalling systems, e.g. personal calling systems18%
B23KSoldering or unsoldering10%
G06FElectric digital data processing5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
Y10TTechnical subjects covered by former us classification5%
A62CFire-fighting3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C08LCompositions of macromolecular compounds3%
PatentTitleYear
11,104,766Block copolymer and method of producing same, epoxy resin composition and cured product thereof, and semiconductor encapsulating material202110,558,308Capacitive sensor for panel having flat-surface portion and curved-surface portion202010,474,301Input device detecting both of position and applied weight20198,742,937'Alarm unit'20148,441,359'Fire distinguishing device'20138,432,277'Alarm device and alarm system'20137,759,950'Electronic component device testing apparatus'20107,080,306'Disk device with improved error-correction capability'20066,775,097'Rotational driving apparatus for disk and manufacturing method therefor'20046,600,627'Rotational driving apparatus for disk and manufacturing method therefor'20036,535,346'Dual head disk drive unit for differing recording densities'20036,445,547'Magnetic disc device having head control mechanism capable of effecting head contact during high speed medium rotation'20026,130,744'Optical disk discriminating method, including memory storage, for automatic multiple-disk changer'20006,111,367'Light emission circuit'20006,094,143'Light obstruction type smoke sensor'20005,584,579'Thermal detector'19965,425,582'Thermal detector and method of producing the same'19955,408,375'Low-vibration retraction cam for recording/playback apparatus'19955,109,310'Disk drive device with unified actuator assembly'19925,105,321'Disk drive including flexible print board and back tension regulating piece'19925,101,305'Disk drive device including a V-shaped air filter'19925,099,374'Disk drive with improved structure for fastening bearing assembly to rotor and housing'19924,819,095'Method of controlling a disk head position by individually timing zones servo information'19894,819,100'Floating head slider device for magnetic disk apparatus'19894,713,703'Information recording and reproducing apparatus'19874,639,575'Three o\'clock narrow groove welding apparatus'19874,504,729'Three o\'clock welding method in narrow groove'19854,254,322'Narrow weld-groove welding process and apparatus therefor'19814,188,526'Narrow weld-groove welding process'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1987Patents assigned to BABCOCK HITACHI KK (4)· patent assignee history
1980–1987Based in Kure, JP· patent location history
1987–2004Patents assigned to ALPS ELECTRIC CO LTD (13)· patent assignee history
1987–1995Based in Furukawa, JP· patent location history
1995–2014Patents assigned to HOCHIKI CO (7)· patent assignee history
1995–2000Based in Tokyo, JP· patent location history
2000–2006Based in Fukushima, JP· patent location history
2002–2006Patents assigned to SONY CORP (5)· patent assignee history
2013–2014Patents assigned to ASANO ISAO (3)· patent assignee history
2013–2014Based in Zama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ALPS ELECTRIC CO LTD | 13 | 1987–2004 |
| HOCHIKI CO | 7 | 1995–2014 |
| SONY CORP | 5 | 2002–2006 |
| BABCOCK HITACHI KK | 4 | 1980–1987 |
| ASANO ISAOself | 3 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Furukawa, JP | 8 | 1987–1995 |
| Fukushima, JP | 6 | 2000–2006 |
| Tokyo, JP | 4 | 1995–2000 |
| Kure, JP | 4 | 1980–1987 |
| Zama, JP | 3 | 2013–2014 |