Nagura; Chihiro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Nagura; Chihiro.The latest application filed is for "optical encoder and control apparatus".

Company Profile

5.45.39

Nagura; Chihiro - Yokohama JP
Nagura; Chihiro - Kanagawa JP
Nagura; Chihiro - Yokohama-shi JP
Nagura; Chihiro - Kawasaki JP
Nagura; Chihiro - Kawasaki-shi JP
Nagura; Chihiro - Tokyo 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
Optical encoder and drive control device comprising a light receiving element to receive a first interference fringe formed by a first periodic pattern and a second diffracted light from a second periodic pattern toward the first periodic pattern Grant 11,221,238 - Nagura January 11, 2	2022-01-11
Optical Encoder And Control Apparatus App 20210381856 - Nagura; Chihiro ; et al.	2021-12-09
Optical Encoder And Control Apparatus App 20210348954 - Uemura; Takanori ; et al.	2021-11-11
Position detection apparatus that detects a position of an object by detecting light from a scale, and lithography apparatus, force sensor, and apparatus having force sensor including the position detection apparatus Grant 11,085,799 - Nagura August 10, 2	2021-08-10
Optical sensor and apparatus including optical sensor Grant 10,969,284 - Nagura April 6, 2	2021-04-06
Optical Encoder And Drive Control Device App 20210003425 - Nagura; Chihiro	2021-01-07
Force Sensor And Robot Equipped With Force Sensor App 20200238537 - Nagura; Chihiro	2020-07-30
Position Detection Apparatus, Lithography Apparatus, Force Sensor, And Apparatus Having Force Sensor App 20200088552 - Nagura; Chihiro	2020-03-19
Position detection apparatus, lens apparatus, image pickup system, machine tool apparatus, position detection method, and non-transitory computer-readable storage medium which are capable of detecting abnormality Grant 10,540,559 - Nagura Ja	2020-01-21
Optical sensor having an irradiating light separation component and image forming apparatus thereof Grant 10,503,109 - Ino , et al. Dec	2019-12-10
Optical Sensor And Apparatus Including Optical Sensor App 20190310151 - Nagura; Chihiro	2019-10-10
Position detection apparatus, force sensor, and apparatus Grant 10,401,152 - Nagura Sep	2019-09-03
Position detection apparatus, lens apparatus, image pickup system, machine tool apparatus, exposure apparatus, position detection method, and non-transitory computer-readable storage medium which are capable of detecting reference position with high accuracy Grant 10,215,596 - Nagura Feb	2019-02-26
Position detection apparatus, machine tool apparatus, and exposure apparatus Grant 10,209,102 - Nagura Feb	2019-02-19
Optical Sensor And Image Forming Apparatus App 20180292776 - Ino; Kazushi ; et al.	2018-10-11
Scale, encoder, lens apparatus, and image pickup system having a plurality of patterns with different modulating periods Grant 9,778,035 - Nagura October 3, 2	2017-10-03
Encoder for producing position information using positions of a first and second sensor, tilt angles, period of a pattern on a scale Grant 9,766,096 - Nagura September 19, 2	2017-09-19
Position Detection Apparatus, Force Sensor, And Apparatus App 20170261311 - Nagura; Chihiro	2017-09-14
Position Detection Apparatus, Machine Tool Apparatus, And Exposure Apparatus App 20170261351 - Nagura; Chihiro	2017-09-14
Optical encoder and apparatus provided therewith Grant 9,618,370 - Nagura April 11, 2	2017-04-11
Encoder and apparatus using encoder Grant 9,470,557 - Nagura October 18, 2	2016-10-18
Scale, displacement detection apparatus, lens apparatus, image pickup system, and assembling apparatus Grant 9,464,924 - Horiguchi , et al. October 11, 2	2016-10-11
Optical encoder with a scale that has fine and coarse pitch patterns Grant 9,417,101 - Nagura August 16, 2	2016-08-16
Position Detection Apparatus, Lens Apparatus, Image Pickup System, Machine Tool Apparatus, Exposure Apparatus, Position Detection Method, And Non-transitory Computer-readable Storage Medium Which Are Capable Of Detecting Reference Position With High Accuracy App 20160209247 - Nagura; Chihiro	2016-07-21
Position detection apparatus, lens apparatus, image pickup system, machine tool apparatus, position detection method, and non-transitory computer-readable storage medium Grant 9,383,230 - Nagura July 5, 2	2016-07-05
Position Detection Apparatus, Lens Apparatus, Image Pickup System, Machine Tool Apparatus, Position Detection Method, And Non-transitory Computer-readable Storage Medium Which Are Capable Of Detecting Abnormality App 20160180516 - Nagura; Chihiro	2016-06-23
Optical force sensor and apparatus using optical force sensor Grant 9,366,587 - Nagura June 14, 2	2016-06-14
Encoder Grant 9,354,089 - Nagura May 31, 2	2016-05-31
Encoder that detects displacement of an object, and lens apparatus and camera having the same Grant 9,329,058 - Horiguchi , et al. May 3, 2	2016-05-03
Optical encoder and apparatus including the same Grant 9,234,772 - Nakamura , et al. January 12, 2	2016-01-12
Encoder And Apparatus Including The Same App 20150323352 - Nagura; Chihiro	2015-11-12
Optical Encoder And Apparatus Provided Therewith App 20150285662 - Nagura; Chihiro	2015-10-08
Optical Force Sensor And Apparatus Using Optical Force Sensor App 20150276518 - Nagura; Chihiro	2015-10-01
Encoder having plural phase acquirers and a positional information acquirer for precisely obtaining a position of a scale Grant 9,127,967 - Nagura September 8, 2	2015-09-08
Encoder having a scale with two areas in which an increasing direction of the amplitude of the energy distribution is opposite between the two areas for precisely obtaining a position of the scale Grant 9,121,731 - Horiguchi , et al. September 1, 2	2015-09-01
Encoder having a scale that includes block patterns Grant 9,024,251 - Nagura May 5, 2	2015-05-05
Optical encoder having a high resolution detection mode to detect a fine pitch pattern and a low resolution detection mode to detect a coarse pitch pattern Grant 8,993,954 - Horiguchi , et al. March 31, 2	2015-03-31
Encoder and apparatus using the same Grant 8,993,955 - Nakamura , et al. March 31, 2	2015-03-31
Encoder And Apparatus Using Encoder App 20150076332 - Nagura; Chihiro	2015-03-19
Position Detection Apparatus, Lens Apparatus, Image Pickup System, Machine Tool Apparatus, Position Detection Method, And Non-transitory Computer-readable Storage Medium App 20140267823 - Nagura; Chihiro	2014-09-18
Scale, Displacement Detection Apparatus, Lens Apparatus, Image Pickup System, And Assembling Apparatus App 20140184202 - Horiguchi; Haruhiko ; et al.	2014-07-03
Optical encoder Grant 8,735,801 - Nagura May 27, 2	2014-05-27
Rotary encoder having multiple slit arrays, which detects rotation angle Grant 8,698,071 - Nagura April 15, 2	2014-04-15
Scale, Encoder, Lens Apparatus, And Image Pickup System App 20140064565 - Nagura; Chihiro	2014-03-06
Encoder, Lens Apparatus, And Camera App 20130286194 - Horiguchi; Haruhiko ; et al.	2013-10-31
Rotary encoder and optical apparatus Grant 8,546,747 - Nagura October 1, 2	2013-10-01
Rotary encoder that detects rotation angle Grant 8,497,469 - Nagura July 30, 2	2013-07-30
Rotary encoder and method of assembling the same Grant 8,487,237 - Watanabe , et al. July 16, 2	2013-07-16
Optical Encoder And Apparatus Including The Same App 20130126718 - NAKAMURA; Hitoshi ; et al.	2013-05-23
Encoder And Apparatus Using The Same App 20130099105 - Nakamura; Hitoshi ; et al.	2013-04-25
Encoder App 20120261562 - Nagura; Chihiro	2012-10-18
Encoder App 20120261561 - HORIGUCHI; Haruhiko ; et al.	2012-10-18
Encoder App 20120262731 - NAGURA; Chihiro	2012-10-18
Encoder App 20120265484 - NAGURA; Chihiro	2012-10-18
Optical Encoder App 20120217383 - Horiguchi; Haruhiko ; et al.	2012-08-30
Optical Encoder App 20120217384 - Nagura; Chihiro	2012-08-30
Rotary Encoder And Optical Apparatus App 20120075622 - NAGURA; Chihiro	2012-03-29
Rotary Encoder And Method Of Assembling The Same App 20120049051 - WATANABE; Ikuo ; et al.	2012-03-01
Optical Encoder App 20120018626 - Nagura; Chihiro	2012-01-26
Rotary Encoder That Detects Rotation Angle App 20110303831 - NAGURA; Chihiro	2011-12-15
Rotary Encoder Which Detects Rotation Angle App 20110155895 - NAGURA; Chihiro	2011-06-30
Optical information recording and reproducing apparatus capable of coma aberration correction Grant 7,843,774 - Nagura November 30, 2	2010-11-30
Optical information recording/reproducing apparatus Grant 7,791,986 - Koyama , et al. September 7, 2	2010-09-07
Optical information recording-reproducing apparatus Grant 7,787,332 - Nagura August 31, 2	2010-08-31
Apparatus using light-attenuating element for optically reproducing and recording information Grant 7,561,500 - Nagura July 14, 2	2009-07-14
Optical Information Recording-reproducing Apparatus App 20080304396 - Nagura; Chihiro	2008-12-11
Optical Information Recording/reproducing Apparatus App 20070217300 - Koyama; Osamu ; et al.	2007-09-20
Optical Information Recording And Reproducing Apparatus App 20070121433 - NAGURA; Chihiro	2007-05-31
Optical Information Recording And Reproducing Apparatus Capable Of Coma Aberration Correction App 20070104045 - Nagura; Chihiro	2007-05-10
Apparatus using light-attenuating element for optically reproducing and recording information App 20060280097 - Nagura; Chihiro	2006-12-14
Annealed optical information recording medium and optical information recording/reproducing apparatus for the same Grant 7,145,847 - Nagura , et al. December 5, 2	2006-12-05
Optical head and optical information recording/reproducing apparatus using same App 20050094509 - Nagura, Chihiro	2005-05-05
Annealed optical information recording medium and optical information recording/reproducing apparatus for the same App 20040042357 - Nagura, Chihiro ; et al.	2004-03-04

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