Inventor
Hiroshi Dohi
Inventor
Tokyo, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television22%
H02KDynamo-electric machines17%
B41JTypewriters11%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them11%
B22FWorking metallic powder6%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables6%
G02BOptical elements, systems or apparatus6%
G06TImage data processing or generation, in general6%
H01FMagnets6%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters6%
PatentTitleYear
9,531,925'Photographing apparatus'20169,288,400'Method of controlling exposure time by using infrared light, computer-readable storage medium having recorded thereon computer program codes for performing the method, and electronic apparatus having photographing function'20169,077,909'Strobe device, image photographing apparatus having the same, and method thereof'20158,488,180'Printer and printing method that prevents intermixing of different image data on recording medium'20137,710,438'Image processing apparatus and image processing method'20106,018,356'Printing apparatus and autocharger thereof'20005,895,157'Printing apparatus and autochanger thereof'19995,402,024'Rotor for a permanent-magnet motor'19955,396,137'Brushless motor'19955,300,866'Drive apparatus and speed control apparatus for brushless motor'19944,981,635'Methods for producing a resin-bonded magnet'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1995Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (4)· patent assignee history
1991Based in Takefu, JP· patent location history
1994Based in Osaka, JP· patent location history
1995Based in Katano, JP· patent location history
1999–2013Patents assigned to SONY CORP (4)· patent assignee history
1999–2013Based in Tokyo, JP· patent location history
2010–2013Patents assigned to OLYMPUS MEDICAL SYSTEMS CORP (2)· patent assignee history
2013–2016Patents assigned to DOHI HIROSHI (2)· patent assignee history
2015–2016Patents assigned to SAMSUNG ELECTRONICS CO LTD (3)· patent assignee history
2015–2016Based in Seongnam-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 4 | 1991–1995 |
| SONY CORP | 4 | 1999–2013 |
| SAMSUNG ELECTRONICS CO LTD | 3 | 2015–2016 |
| DOHI HIROSHIself | 2 | 2013–2016 |
| OLYMPUS MEDICAL SYSTEMS CORP | 2 | 2010–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 1999–2013 |
| Seongnam-si, KR | 3 | 2015–2016 |
| Katano, JP | 2 | 1995 |
| Osaka, JP | 1 | 1994 |
| Takefu, JP | 1 | 1991 |