Inventor
Issei Tanaka
Inventor
Yokohama, JP
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus49%
Y10TTechnical subjects covered by former us classification28%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
C03CChemical composition of glasses, glazes or vitreous enamels2%
G01MTesting static or dynamic balance of machines or structures2%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices2%
G09FDisplaying2%
PatentTitleYear
10,302,905Optical system, image-capturing device comprising optical system and method for manufacturing optical system201910,203,488Zoom lens, optical apparatus, and method for manufacturing zoom lens20199,791,678'Zoom lens, imaging device and method for manufacturing the zoom lens'20179,753,271'Eyepiece lens, viewfinder optical system and optical apparatus equipped with the same, and method for manufacturing eyepiece lens'20179,726,869'Variable magnification optical system, optical device, and production method for variable magnification optical system'20179,625,689'Optical system, optical apparatus equipped therewith, and method for manufacturing optical system'20179,523,843'Zoom lens, optical apparatus, and method for manufacturing zoom lens'20169,354,430'Zoom lens, imaging apparatus, and method for manufacturing zoom lens'20169,030,755'Zoom lens system, optical apparatus, and method for manufacturing zoom lens system'20159,007,703'Imaging lens, optical apparatus equipped therewith, and method for manufacturing imaging lens'20158,941,921'Optical system, optical apparatus, and method for manufacturing optical system'20158,913,327'Zoom lens system, optical apparatus and method for manufacturing zoom lens system'20148,836,928'Method for measuring wavefront aberration and wavefront aberration measuring apparatus'20148,830,592'Zoom lens, imaging apparatus, and method for manufacturing zoom lens'20148,743,470'Zoom lens system, optical apparatus and method for manufacturing zoom lens system'20148,721,094'Lens system and optical apparatus'20148,717,686'Optical system, optical apparatus and optical system manufacturing method'20148,605,370'Imaging lens, optical apparatus equipped therewith, and method for manufacturing imaging lens'20138,411,369'Imaging lens, optical apparatus including imaging lens and method for manufacturing imaging lens'20137,336,421'Optical system with anti-reflection coating'20087,286,293'Method of fabricating diffractive optical element'20077,256,939'Diffractive optical element and fabrication method thereof'20077,256,948'Anti-reflection coating, and optical element and optical system with anti-reflection coating'20074,970,812'Sheet type large display unit'19904,870,452'Projection exposure apparatus'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2019Patents assigned to NIKON CORP (23)· patent assignee history
1989Based in Kawasaki, JP· patent location history
1990–2019Based in Yokohama, JP· patent location history
2013–2017Patents assigned to TANAKA ISSEI (13)· patent assignee history
2014–2016Patents assigned to OBAMA AKIHIKO (4)· patent assignee history
2014–2016Patents assigned to YOKOI NORIKAZU (3)· patent assignee history
2014–2017Patents assigned to SATO HARUO (2)· patent assignee history
2016Based in Yokahama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIKON CORP | 23 | 1989–2019 |
| TANAKA ISSEIself | 13 | 2013–2017 |
| OBAMA AKIHIKO | 4 | 2014–2016 |
| YOKOI NORIKAZU | 3 | 2014–2016 |
| SATO HARUO | 2 | 2014–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 23 | 1990–2019 |
| Yokahama, JP | 1 | 2016 |
| Kawasaki, JP | 1 | 1989 |