Inventor
Akira Daijogo
Inventor
Tokyo, JP
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television47%
G02BOptical elements, systems or apparatus26%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them18%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
PatentTitleYear
10,911,632Image scanning device20219,739,921'Surface light source device and liquid crystal display device'20179,715,057'Surface light source device and liquid crystal display device'20178,684,542'Projection display having improved light shielding bodies for adjusting the amount of light applied to a light valve therein'20148,345,190'Polarization optical system and projection-type liquid-crystal display device'20138,162,488'Projection display apparatus'20128,052,285'Projection display having improved light shielding bodies for adjusting the amount of light applied to a light valve therein'20117,993,017'Projection display apparatus'20117,661,829'Projection display apparatus'20106,033,091'Projection display device'20005,936,696'Projection type display apparatus'19995,808,759'Projection type display including a holographic diffuser'19985,765,934'Projection type display'19985,760,875'Projection display device'19985,738,426'Projection type display apparatus and multi-vision projection type display apparatus'19985,695,266'Projection-type display apparatus'19975,662,400'Projection display system'19975,622,418'Projection display device'19975,613,749'Condenser lens, polarizing element, light source apparatus, and projection display apparatus'19975,572,362'Condenser lens, polarizing element, light source apparatus, and projection display apparatus'19965,384,659'Condenser lens, polarizing element, light source apparatus, and projection display apparatus'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2021Patents assigned to MITSUBISHI ELECTRIC CORP (20)· patent assignee history
1995–2000Based in Nagaokakyo, JP· patent location history
1997–2017Based in Tokyo, JP· patent location history
2012–2014Patents assigned to DAIJOGO AKIRA (3)· patent assignee history
2012–2014Patents assigned to YAMADA AKIHIRO (3)· patent assignee history
2012–2013Patents assigned to SAMEJIMA KENJI (2)· patent assignee history
2012–2014Patents assigned to TAKAHASHI MOTOO (2)· patent assignee history
2021Based in Chiyoda-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 20 | 1995–2021 |
| DAIJOGO AKIRAself | 3 | 2012–2014 |
| YAMADA AKIHIRO | 3 | 2012–2014 |
| SAMEJIMA KENJI | 2 | 2012–2013 |
| TAKAHASHI MOTOO | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 13 | 1997–2017 |
| Nagaokakyo, JP | 7 | 1995–2000 |
| Chiyoda-ku, JP | 1 | 2021 |