Yokoi; Norikazu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yokoi; Norikazu.The latest application filed is for "variable magnification optical system, optical equipment, and method for producing variable magnification optical system".

Company Profile

5.12.11

Yokoi; Norikazu - Yokohama JP
YOKOI; Norikazu - Yokohama-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Variable magnification optical system, optical equipment, and method for producing variable magnification optical system Grant 11,409,086 - Ishikawa , et al. August 9, 2	2022-08-09
Variable Magnification Optical System, Optical Equipment, And Method For Producing Variable Magnification Optical System App 20220035142 - ISHIKAWA; Takahiro ; et al.	2022-02-03
Variable Magnification Optical System, Optical Equipment, And Method For Producing Variable Magnification Optical System App 20210396976 - ISHIKAWA; Takahiro ; et al.	2021-12-23
Zoom Lens, Optical Apparatus, And Method For Manufacturing Zoom Lens App 20210103133 - Obama; Akihiko ; et al.	2021-04-08
Zoom lens, optical apparatus, and method for manufacturing zoom lens Grant 10,895,721 - Obama , et al. January 19, 2	2021-01-19
Variable magnification optical system, optical apparatus, and variable magnification optical system manufacturing method Grant 10,317,654 - Uchida , et al.	2019-06-11
Zoom Lens, Optical Apparatus, And Method For Manufacturing Zoom Lens App 20190155005 - Obama; Akihiko ; et al.	2019-05-23
Zoom lens, optical apparatus, and method for manufacturing zoom lens Grant 10,203,488 - Obama , et al. Feb	2019-02-12
Variable Power Optical System, Optical Apparatus, And Variable Power Optical System Manufacturing Method App 20180217363 - UCHIDA; Kensuke ; et al.	2018-08-02
Zooming optical system, optical apparatus and method for manufacturing zooming optical system Grant 9,759,898 - Yokoi September 12, 2	2017-09-12
Zoom Lens, Optical Apparatus, And Method For Manufacturing Zoom Lens App 20170082837 - Obama; Akihiko ; et al.	2017-03-23
Zoom lens, optical apparatus, and method for manufacturing zoom lens Grant 9,523,843 - Obama , et al. December 20, 2	2016-12-20
Zoom lens system, optical apparatus and method for manufacturing zoom lens system Grant 9,513,471 - Yokoi , et al. December 6, 2	2016-12-06
Zoom lens system, optical apparatus, and method for manufacturing zoom lens system Grant 9,030,755 - Tanaka , et al. May 12, 2	2015-05-12
Zooming Optical System, Optical Apparatus And Method For Manufacturing Zooming Optical System App 20150055221 - YOKOI; Norikazu	2015-02-26
Zoom lens system, optical apparatus and method for manufacturing zoom lens system Grant 8,913,327 - Obama , et al. December 16, 2	2014-12-16
Zoom Lens System, Optical Apparatus And Method For Manufacturing Zoom Lens System App 20140334013 - OBAMA; Akihiko ; et al.	2014-11-13
Zoom Lens System, Optical Apparatus, And Method For Manufacturing Zoom Lens System App 20120188647 - TANAKA; Issei ; et al.	2012-07-26
Zoom Lens, Optical Apparatus, And Method For Manufacturing Zoom Lens App 20120105966 - OBAMA; Akihiko ; et al.	2012-05-03
Zoom Lens System, Optical Apparatus And Method For Manufacturing Zoom Lens System App 20110273776 - OBAMA; Akihiko ; et al.	2011-11-10

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