Inventor
Fumika Sumiyama
Inventor
Matsumoto, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus25%
H04NPictorial communication, e.g. television18%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them14%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light14%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light11%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%
G03HHolographic processes or apparatus4%
G09GArrangements or circuits for control of indicating devices using static means to present variable information4%
PatentTitleYear
8,926,100'Illumination device having improved illumination light symmetricalness and projector having the illumination device'20158,477,315'Volume hologram, light source device, illumination device, monitor, and image display device'20138,425,056'Image display apparatus'20138,057,051'Light source device, image display device, and monitor device'20118,047,659'Light source device, image display apparatus, and monitor apparatus'20118,038,306'Light source device and image display device having a wavelength selective element'20117,905,608'Light source device and image display device having a wavelength selective element'20117,780,311'Multi-wavelength light source device'20107,775,684'Wavelength selective element, manufacturing apparatus for manufacturing wavelength selective element, manufacturing method for manufacturing wavelength selective element, light source device, image display device, and monitor'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2015Patents assigned to SEIKO EPSON CORP (9)· patent assignee history
2010–2015Based in Matsumoto, JP· patent location history
2011–2015Patents assigned to SUMIYAMA FUMIKA (4)· patent assignee history
2013Based in Matsumato, JP· patent location history
2015Patents assigned to ITOH YOSHITAKA (1)· patent assignee history
2015Patents assigned to KASEYA HIROYASU (1)· patent assignee history
2015Patents assigned to OKAMOTO JUNICHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO EPSON CORP | 9 | 2010–2015 |
| SUMIYAMA FUMIKAself | 4 | 2011–2015 |
| ITOH YOSHITAKA | 1 | 2015 |
| KASEYA HIROYASU | 1 | 2015 |
| OKAMOTO JUNICHI | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Matsumoto, JP | 8 | 2010–2015 |
| Matsumato, JP | 1 | 2013 |