Inventor
Naoki Hanashima
Inventor
Tokyo, JP
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus64%
F21VFunctional features or details of lighting devices or systems thereof6%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
B82YSpecific uses or applications of nanostructures3%
C23CCoating metallic material3%
G09FDisplaying3%
G11BInformation storage based on relative movement between record carrier and transducer3%
H04NPictorial communication, e.g. television3%
PatentTitleYear
11,125,413Diffuser plate, designing method of diffuser plate, manufacturing method of diffuser plate, display device, projection device, and lighting device202111,002,993Depolarizing plate, optical device and liquid-crystal display device including same, and depolarizing plate production method202110,732,341Optical body, method for manufacturing optical body, and light-emitting apparatus202010,656,318Optical body and light emitting device202010,599,022Diffuser plate, display device, projection device, and lighting device202010,295,716Inorganic polarizing plate and production method thereof20199,594,275'Retardation element, liquid crystal display device, and projection display device'20179,097,857'Polarizing plate and method for producing polarizing plate'20158,842,365'Phase difference element and method for manufacturing the same'20147,538,978'Heat assisted magnetic recording head and heat assisted magnetic recording apparatus for heating a recording region in a magnetic recording medium during magnetic recording'20097,403,716'Optical module for bi-directional communication system'20087,286,741'Silica optical waveguide and method of manufacturing the same'20077,236,668'Spot-size transformer, method of producing spot-size transformer and waveguide-embedded optical circuit using spot-size transformer'20077,221,826'Spot-size transformer, method of producing spot-size transformer and waveguide-embedded optical circuit using spot-size transformer'20077,125,174'Optical module for bi-directional communication system'20067,106,937'Optical waveguide and method of fabricating the same'20067,068,864'Waveguide-embedded optical circuit and optical functional element used therein'20067,048,451'Optical transceiver and optical module used in the same'20067,027,702'Optical waveguide'20066,845,196'Optical branching device'20056,823,118'Optical branching circuit and device'20045,245,471'Polarizers, polarizer-equipped optical elements, and method of manufacturing the same'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2009Patents assigned to TDK CORP (13)· patent assignee history
1993–2021Based in Tokyo, JP· patent location history
2006–2007Based in Chuo-ku, JP· patent location history
2009–2021Based in Sendai, JP· patent location history
2014–2021Patents assigned to DEXERIALS CORP (9)· patent assignee history
2014–2015Patents assigned to HANASHIMA NAOKI (2)· patent assignee history
2014Patents assigned to KOIKE NOBUYUKI (1)· patent assignee history
2014Patents assigned to SASAKI MASATOSHI (1)· patent assignee history
2014–2015Based in Miyagi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TDK CORP | 13 | 1993–2009 |
| DEXERIALS CORP | 9 | 2014–2021 |
| HANASHIMA NAOKIself | 2 | 2014–2015 |
| KOIKE NOBUYUKI | 1 | 2014 |
| SASAKI MASATOSHI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 15 | 1993–2021 |
| Chuo-ku, JP | 3 | 2006–2007 |
| Sendai, JP | 2 | 2009–2021 |
| Miyagi, JP | 2 | 2014–2015 |