Tatsuya NAGAHAMA

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Adapter optical system and focal length variable optical system
- Patent number 11,619,769
- Issue date Apr 4, 2023
- Mitutoyo Corporation
- Tatsuya Nagahama
- G02 - OPTICS
Information Patent Grant
Telecentric optical apparatus
- Patent number 11,467,384
- Issue date Oct 11, 2022
- Mitutoyo Corporation
- Kenji Okabe
- G02 - OPTICS
Information Patent Grant
Variable focal length lens apparatus
- Patent number 11,237,354
- Issue date Feb 1, 2022
- Mitutoyo Corporation
- Tatsuya Nagahama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image pick-up device, image measurement apparatus, non-contact disp...
- Patent number 11,193,757
- Issue date Dec 7, 2021
- Mitutoyo Corporation
- Satoru Yoshida
- G01 - MEASURING TESTING
Information Patent Grant
Variable focal length lens apparatus
- Patent number 10,663,629
- Issue date May 26, 2020
- Mitutoyo Corporation
- Tatsuya Nagahama
- G02 - OPTICS
Information Patent Grant
Imaging system and imaging method
- Patent number 10,642,017
- Issue date May 5, 2020
- Mitutoyo Corporation
- Gyokubu Cho
- G02 - OPTICS
Information Patent Grant
Telecentric optical apparatus
- Patent number 10,520,710
- Issue date Dec 31, 2019
- Mitutoyo Corporation
- Kenji Okabe
- G02 - OPTICS
Information Patent Grant
Variable focal length lens
- Patent number D870795
- Issue date Dec 24, 2019
- Mitutoyo Corporation
- Masaki Okayasu
- D16 - Photography and optical equipment
Information Patent Grant
Variable focal length lens
- Patent number D869542
- Issue date Dec 10, 2019
- Mitutoyo Corporation
- Masaki Okayasu
- D16 - Photography and optical equipment
Information Patent Grant
Variable focal length lens system with multi-level extended depth o...
- Patent number 10,101,572
- Issue date Oct 16, 2018
- Mitutoyo Corporation
- Robert Kamil Bryll
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Measurement system and method for switching set value for adjustment
- Patent number 10,088,420
- Issue date Oct 2, 2018
- Mitutoyo Corporation
- Kenji Okabe
- G01 - MEASURING TESTING
Information Patent Grant
Variable focal length lens
- Patent number D829261
- Issue date Sep 25, 2018
- Mitutoyo Corporation
- Sadayuki Matsumiya
- D16 - Photography and optical equipment
Information Patent Grant
Interference measuring device and method of measurement using the s...
- Patent number 10,024,648
- Issue date Jul 17, 2018
- Mitutoyo Corporation
- Tatsuya Nagahama
- G01 - MEASURING TESTING
Information Patent Grant
Focus detection unit and optical apparatus
- Patent number 9,733,464
- Issue date Aug 15, 2017
- Mitutoyo Corporation
- Eisuke Moriuchi
- G02 - OPTICS
Information Patent Grant
Light interference measuring device and program therefor
- Patent number 9,726,473
- Issue date Aug 8, 2017
- Mitutoyo Corporation
- Kenji Okabe
- G01 - MEASURING TESTING
Information Patent Grant
Optical measuring device
- Patent number 9,170,196
- Issue date Oct 27, 2015
- Mitutoyo Corporation
- Kenji Okabe
- G01 - MEASURING TESTING
Information Patent Grant
Optical measuring device
- Patent number 9,006,657
- Issue date Apr 14, 2015
- Mitutoyo Corporation
- Kenji Okabe
- G01 - MEASURING TESTING
Information Patent Grant
Light-interference measuring apparatus
- Patent number 8,891,090
- Issue date Nov 18, 2014
- Mitutoyo Corporation
- Tatsuya Nagahama
- G01 - MEASURING TESTING
Information Patent Grant
Photoelectric encoder with optical grating
- Patent number 8,658,964
- Issue date Feb 25, 2014
- Mitutoyo Corporation
- Emi Kaneko
- G01 - MEASURING TESTING
Information Patent Grant
Optical encoder using off-axis imaging through a lens
- Patent number 8,637,805
- Issue date Jan 28, 2014
- Mitutoyo Corporation
- Eric Herbert Altendorf
- G01 - MEASURING TESTING
Information Patent Grant
Interference objective lens unit and light-interference measuring a...
- Patent number 8,553,232
- Issue date Oct 8, 2013
- Mitutoyo Corporation
- Sadayuki Matsumiya
- G01 - MEASURING TESTING
Information Patent Grant
Optical encoder
- Patent number 8,476,577
- Issue date Jul 2, 2013
- Mitutoyo Corporation
- Tatsuya Nagahama
- G01 - MEASURING TESTING
Information Patent Grant
Autofocus device with contrast enhancement
- Patent number 8,258,448
- Issue date Sep 4, 2012
- Mitutoyo Corporation
- Tatsuya Nagahama
- G02 - OPTICS
Information Patent Grant
Illumination device and vision measuring instrument
- Patent number 8,033,673
- Issue date Oct 11, 2011
- Mitutoyo Corporation
- Seiji Shimokawa
- G02 - OPTICS
Information Patent Grant
Photoelectric encoder
- Patent number 7,329,859
- Issue date Feb 12, 2008
- Mitutoyo Corporation
- Miyako Mizutani
- G01 - MEASURING TESTING
Information Patent Grant
Illuminance calibrating method of illuminator, illuminance calibrat...
- Patent number 7,015,447
- Issue date Mar 21, 2006
- Mitutoyo Corporation
- Hiroyuki Yoshida
- G01 - MEASURING TESTING
Information Patent Grant
Ring illuminator
- Patent number 6,857,762
- Issue date Feb 22, 2005
- Mitutoyo Corporation
- Seiji Shimokawa
- F21 - LIGHTING
Information Patent Grant
Double telecentric objective lens
- Patent number 6,639,653
- Issue date Oct 28, 2003
- Mitutoyo Corporation
- Tatsuya Nagahama
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
VARIABLE FOCAL LENGTH LENS DEVICE
- Publication number 20250047960
- Publication date Feb 6, 2025
- MITUTOYO CORPORATION
- Yuko SHISHIDO
- G02 - OPTICS
Information Patent Application
ADAPTER OPTICAL SYSTEM AND FOCAL LENGTH VARIABLE OPTICAL SYSTEM
- Publication number 20210173128
- Publication date Jun 10, 2021
- MITUTOYO CORPORATION
- Tatsuya Nagahama
- G02 - OPTICS
Information Patent Application
IMAGE PICK-UP DEVICE, IMAGE MEASUREMENT APPARATUS, NON-CONTACT DISP...
- Publication number 20200208965
- Publication date Jul 2, 2020
- MITUTOYO CORPORATION
- Satoru YOSHIDA
- G02 - OPTICS
Information Patent Application
TELECENTRIC OPTICAL APPARATUS
- Publication number 20200073093
- Publication date Mar 5, 2020
- Mitutoyo Corporation
- Kenji Okabe
- G02 - OPTICS
Information Patent Application
VARIABLE FOCAL LENGTH LENS APPARATUS
- Publication number 20190121056
- Publication date Apr 25, 2019
- MITUTOYO CORPORATION
- Tatsuya NAGAHAMA
- G02 - OPTICS
Information Patent Application
VARIABLE FOCAL LENGTH LENS APPARATUS
- Publication number 20180180774
- Publication date Jun 28, 2018
- MITUTOYO CORPORATION
- Tatsuya NAGAHAMA
- G02 - OPTICS
Information Patent Application
VARIABLE FOCAL LENGTH LENS SYSTEM WITH MULTI-LEVEL EXTENDED DEPTH O...
- Publication number 20180143419
- Publication date May 24, 2018
- MITUTOYO CORPORATION
- Robert Kamil Bryll
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INTERFERENCE MEASURING DEVICE AND METHOD OF MEASUREMENT USING THE S...
- Publication number 20170363411
- Publication date Dec 21, 2017
- Mitutoyo Corporation
- Tatsuya Nagahama
- G01 - MEASURING TESTING
Information Patent Application
MEASUREMENT SYSTEM AND METHOD FOR SWITCHING SET VALUE FOR ADJUSTMENT
- Publication number 20170336327
- Publication date Nov 23, 2017
- Mitutoyo Corporation
- Kenji Okabe
- G01 - MEASURING TESTING
Information Patent Application
IMAGING SYSTEM AND IMAGING METHOD
- Publication number 20170285318
- Publication date Oct 5, 2017
- MITUTOYO CORPORATION
- Gyokubu CHO
- G02 - OPTICS
Information Patent Application
TELECENTRIC OPTICAL APPARATUS
- Publication number 20160349490
- Publication date Dec 1, 2016
- Mitutoyo Corporation
- Kenji Okabe
- G02 - OPTICS
Information Patent Application
FOCUS DETECTION UNIT AND OPTICAL APPARATUS
- Publication number 20150346475
- Publication date Dec 3, 2015
- MITUTOYO CORPORATION
- Eisuke MORIUCHI
- G02 - OPTICS
Information Patent Application
LIGHT INTERFERENCE MEASURING DEVICE AND PROGRAM THEREFOR
- Publication number 20150176967
- Publication date Jun 25, 2015
- Mitutoyo Corporation
- Kenji Okabe
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL MEASURING DEVICE
- Publication number 20140145084
- Publication date May 29, 2014
- Mitutoyo Corporation
- Kenji OKABE
- G02 - OPTICS
Information Patent Application
WHITE-LIGHT INTERFEROMETRIC MEASURING DEVICE
- Publication number 20130242311
- Publication date Sep 19, 2013
- MITUTOYO CORPORATION
- Atsushi USAMI
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL MEASURING DEVICE
- Publication number 20120153152
- Publication date Jun 21, 2012
- Mitutoyo Corporation
- Kenji OKABE
- G02 - OPTICS
Information Patent Application
INTERFERENCE OBJECTIVE LENS UNIT AND LIGHT-INTERFERENCE MEASURING A...
- Publication number 20120099115
- Publication date Apr 26, 2012
- Mitutoyo Corporation
- Sadayuki MATSUMIYA
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL ENCODER
- Publication number 20110233390
- Publication date Sep 29, 2011
- Mitutoyo Corporation
- Tatsuya Nagahama
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL ENCODER
- Publication number 20110233391
- Publication date Sep 29, 2011
- Mitutoyo Corporation
- Eric Herbert Altendorf
- G01 - MEASURING TESTING
Information Patent Application
LIGHT-INTERFERENCE MEASURING APPARATUS
- Publication number 20110222069
- Publication date Sep 15, 2011
- Mitutoyo Corporation
- Tatsuya NAGAHAMA
- G01 - MEASURING TESTING
Information Patent Application
PHOTOELECTRIC ENCODER
- Publication number 20110095171
- Publication date Apr 28, 2011
- Mitutoyo Corporation
- Emi KANEKO
- G01 - MEASURING TESTING
Information Patent Application
AUTOFOCUS DEVICE
- Publication number 20100133417
- Publication date Jun 3, 2010
- Mitutoyo Corporation
- Tatsuya Nagahama
- G02 - OPTICS
Information Patent Application
Optical measuring instrument
- Publication number 20090303068
- Publication date Dec 10, 2009
- Mitutoyo Corporation
- Masanori Arai
- G01 - MEASURING TESTING
Information Patent Application
Optical unit and measuring instrument
- Publication number 20090237650
- Publication date Sep 24, 2009
- Mitutoyo Corporation
- Seiji Shimokawa
- G02 - OPTICS
Information Patent Application
Objective lens
- Publication number 20090040603
- Publication date Feb 12, 2009
- Mitutoyo Corporation
- Tatsuya Nagahama
- G02 - OPTICS
Information Patent Application
ILLUMINATION DEVICE AND VISION MEASURING INSTRUMENT
- Publication number 20080285254
- Publication date Nov 20, 2008
- MITUTOYO CORPORATION
- Seiji SHIMOKAWA
- G02 - OPTICS
Information Patent Application
Photoelectric encoder
- Publication number 20060202113
- Publication date Sep 14, 2006
- Mitutoyo Corporation
- Miyako Mizutani
- G01 - MEASURING TESTING
Information Patent Application
Illuminance calibrating method of illuminator, illuminance calibrat...
- Publication number 20050007604
- Publication date Jan 13, 2005
- Mitutoyo Corporation
- Hiroyuki Yoshida
- G01 - MEASURING TESTING
Information Patent Application
Ring illuminator
- Publication number 20030231494
- Publication date Dec 18, 2003
- Mitutoyo Corporation
- Seiji Shimokawa
- G02 - OPTICS
Information Patent Application
Double telecentric objective lens
- Publication number 20030043355
- Publication date Mar 6, 2003
- Mitutoyo Corporation
- Tatsuya Nagahama
- G02 - OPTICS

Tatsuya NAGAHAMA

Person

Patents Grantslast 30 patents

Adapter optical system and focal length variable optical system

Telecentric optical apparatus

Variable focal length lens apparatus

Image pick-up device, image measurement apparatus, non-contact disp...

Variable focal length lens apparatus

Imaging system and imaging method

Telecentric optical apparatus

Variable focal length lens

Variable focal length lens

Variable focal length lens system with multi-level extended depth o...

Measurement system and method for switching set value for adjustment

Variable focal length lens

Interference measuring device and method of measurement using the s...

Focus detection unit and optical apparatus

Light interference measuring device and program therefor

Optical measuring device

Optical measuring device

Light-interference measuring apparatus

Photoelectric encoder with optical grating

Optical encoder using off-axis imaging through a lens

Interference objective lens unit and light-interference measuring a...

Optical encoder

Autofocus device with contrast enhancement

Illumination device and vision measuring instrument

Photoelectric encoder

Illuminance calibrating method of illuminator, illuminance calibrat...

Ring illuminator

Double telecentric objective lens

Patents Applicationslast 30 patents

VARIABLE FOCAL LENGTH LENS DEVICE

ADAPTER OPTICAL SYSTEM AND FOCAL LENGTH VARIABLE OPTICAL SYSTEM

IMAGE PICK-UP DEVICE, IMAGE MEASUREMENT APPARATUS, NON-CONTACT DISP...

TELECENTRIC OPTICAL APPARATUS

VARIABLE FOCAL LENGTH LENS APPARATUS

VARIABLE FOCAL LENGTH LENS APPARATUS

VARIABLE FOCAL LENGTH LENS SYSTEM WITH MULTI-LEVEL EXTENDED DEPTH O...

INTERFERENCE MEASURING DEVICE AND METHOD OF MEASUREMENT USING THE S...

MEASUREMENT SYSTEM AND METHOD FOR SWITCHING SET VALUE FOR ADJUSTMENT

IMAGING SYSTEM AND IMAGING METHOD

TELECENTRIC OPTICAL APPARATUS

FOCUS DETECTION UNIT AND OPTICAL APPARATUS

LIGHT INTERFERENCE MEASURING DEVICE AND PROGRAM THEREFOR

OPTICAL MEASURING DEVICE

WHITE-LIGHT INTERFEROMETRIC MEASURING DEVICE

OPTICAL MEASURING DEVICE

INTERFERENCE OBJECTIVE LENS UNIT AND LIGHT-INTERFERENCE MEASURING A...

OPTICAL ENCODER

OPTICAL ENCODER

LIGHT-INTERFERENCE MEASURING APPARATUS

PHOTOELECTRIC ENCODER

AUTOFOCUS DEVICE

Optical measuring instrument

Optical unit and measuring instrument

Objective lens

ILLUMINATION DEVICE AND VISION MEASURING INSTRUMENT

Photoelectric encoder

Illuminance calibrating method of illuminator, illuminance calibrat...

Ring illuminator

Double telecentric objective lens