Inventor
Masachika Watanabe
Inventor
Tokyo, JP
Overview
Patents· 32 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Hprimary
G03HHolographic processes or apparatus42%
B42DBooks19%
G02BOptical elements, systems or apparatus15%
G09FDisplaying5%
Y10TTechnical subjects covered by former us classification5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%
G03CPhotosensitive materials for photographic purposes2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
9,001,401'Fabrication process of multi-image type hologram, and multi-image type hologram fabricated by that process'20158,982,288'Fabrication process for cholesteric liquid crystal media having a volume hologram'20158,941,904'Hologram sheet and hologram observation sheet using same, and blinding device'20158,808,945'Fabrication process for cholesteric liquid crystal media having a volume hologram'20148,743,443'Hologram fabrication process, and hologram fabricated by that process'20148,642,231'Hologram fabrication process and fabricated hologram'20148,481,232'Laser marking hologram having a volume hologram with interference fringes using selective irradiation'20138,289,595'Hologram and its holographic process'20128,227,148'Hologram fabrication process and fabricated hologram'20128,134,660'Optical diffusion device, projection screen, design member and security medium'20128,081,358'Laser marking hologram having a volume hologram with interference fringes using selective irradiation'20117,995,256'Transparent card with hologram, and apparatus for recognizing transparent card with hologram'20117,909,364'Indicator for indicating authenticity'20117,719,762'Transmitting-reflecting projection screen, and projection system comprising the same'20107,710,622'Color hologram display and its fabrication process'20107,706,037'Fabrication process for cholesteric liquid crystal media having a volume hologram'20107,652,710'Camera with photometric function and optical element for camera'20107,598,025'Hologram silver halide photographic material, hologram and method for producing the same'20097,545,545'Fabrication process for cholesteric liquid crystal media having a volume hologram'20097,538,919'Three-dimensional hologram process with overt anti-counterfeit security using first object light, second object light, and reference light'20097,268,926'Hologram laminate and hologram label'20077,215,451'Reflection type diffuse hologram, hologram for reflection hologram color filters, etc., and reflection type display device using such holograms'20077,154,647'Color hologram display and its fabrication process'20067,085,024'Hologram laminate and hologram label'20066,836,347'Viewing optical system and image pickup optical system and apparatus using the same'20046,818,270'Hologram laminate and hologram label'20046,687,029'Viewing optical system and image pickup optical system and apparatus using the same'20046,687,031'Holographic display element and method of making the same'20046,667,819'Reflection type diffuse hologram, hologram for reflection hologram color filters, etc., and reflection type display device using such holograms'20036,476,942'Process for producing original hologram film'20026,404,518'Full-color hologram and method of producing the same'20026,366,369'Transmission hologram fabrication process'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2015Patents assigned to DAINIPPON PRINTING CO LTD (29)· patent assignee history
2002–2015Based in Tokyo, JP· patent location history
2011–2015Patents assigned to WATANABE MASACHIKA (11)· patent assignee history
2011–2015Patents assigned to UEDA KENJI (5)· patent assignee history
2012–2015Patents assigned to YAMAUCHI TSUYOSHI (6)· patent assignee history
2012Based in Saitama-shi, JP· patent location history
2014–2015Patents assigned to ETO KOJI (3)· patent assignee history
2014Based in Shinjuku-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAINIPPON PRINTING CO LTD | 29 | 2002–2015 |
| WATANABE MASACHIKAself | 11 | 2011–2015 |
| YAMAUCHI TSUYOSHI | 6 | 2012–2015 |
| UEDA KENJI | 5 | 2011–2015 |
| ETO KOJI | 3 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 29 | 2002–2015 |
| Shinjuku-ku, JP | 2 | 2014 |
| Saitama-shi, JP | 1 | 2012 |