Inventor
Masakuni Iwanaga
Inventor
Akishima, JP
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them21%
H04NPictorial communication, e.g. television21%
G02BOptical elements, systems or apparatus12%
F21VFunctional features or details of lighting devices or systems thereof4%
G04CElectromechanical clocks or watches4%
G04GElectronic time-pieces4%
G04RRadio-controlled time-pieces4%
H01LSemiconductor devices4%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation4%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%
PatentTitleYear
10,816,886Light source unit and projector202010,311,323Image processing apparatus for converting image in characteristic region of original image into image of brushstroke patterns20199,891,597'Electronic device'20189,846,412Electronic device20179,823,625'Electronic device'20178,465,159'Projector and method of controlling a light source for use with the projector'20138,405,900'Projection apparatus'20138,354,790'Light source unit which shines visible excitation light onto phosphors on a rotatable base material, and projector including the light source'20138,342,697'Light source unit and projector'20138,142,032'Optical system unit for projecting images and including light smoothing unit formed into substantially truncated quadrangular pyramid, and projector including the same optical system'20128,021,001'Projector and method of controlling a light source for use with the projector'20117,887,197'Light source unit and projector with light source apparatus'20117,760,173'Projection display apparatus having image modulation timing changing function'20107,665,851'Projector having a color wheel including intermediate color filters'20107,661,826'Distance-measuring apparatus'20106,898,301'Authentication system based on fingerprint and electronic device employed for the system'20056,400,402'Highly precise image pickup apparatus with apertures offset from a lenter'20026,118,644'Electromagnetic actuator and image pickup apparatus'20005,645,334'Projector and focusing method therein'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2020Patents assigned to CASIO COMPUTER CO LTD (18)· patent assignee history
1997Patents assigned to ASAHI OPTICAL CO LTD (1)· patent assignee history
1997–2019Based in Tokyo, JP· patent location history
2000Patents assigned to PIONEER ELECTRONIC CORP (1)· patent assignee history
2000Based in Higashiyamato, JP· patent location history
2002–2020Based in Akishima, JP· patent location history
2011Based in Hamura, JP· patent location history
2012–2013Patents assigned to IWANAGA MASAKUNI (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CASIO COMPUTER CO LTD | 18 | 1997–2020 |
| IWANAGA MASAKUNIself | 5 | 2012–2013 |
| ASAHI OPTICAL CO LTD | 1 | 1997 |
| PIONEER ELECTRONIC CORP | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Akishima, JP | 15 | 2002–2020 |
| Tokyo, JP | 2 | 1997–2019 |
| Hamura, JP | 1 | 2011 |
| Higashiyamato, JP | 1 | 2000 |