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For the Inventor, By the Inventor

Kawasaki, Japan

Mitutoyo Corporation


USPTO Granted Patents = 1,622


Trademarks = 32

Forward Citations = 12,247

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728 inventors (with patents filed for the assignee):

goldMedal Sadayuki Matsumiya (83 out of 99 patents)

silverMedal Shigeru Ohtani (77 out of 84 patents)

bronzeMedal Joseph Daniel Tobiason (56 out of 57 patents)

4.  Michael Nahum (46 out of 47 patents)

5.  Paul Gerard Gladnick (43 out of 47 patents)

6.  Kazuhiko Hidaka (37 out of 38 patents)

7.  Yoshiro Asano (35 out of 47 patents)

8.  Robert Kamil Bryll (32 out of 32 patents)

9.  Shuji Hayashida (30 out of 30 patents)

10.  Kim W Atherton (30 out of 32 patents)

11.  Tatsuya Nagahama (29 out of 29 patents)

12.  David William Sesko (28 out of 28 patents)

13.  Takashi Noda (28 out of 28 patents)

14.  Nils Ingvar Andermo (28 out of 31 patents)

15.  Yu Sugai (28 out of 28 patents)


Core Competencies:
Machine Vision System
Optical Encoder
Metrology System
Surface Roughness Measurement
Digital Holography
Position Detection
Three-Dimensional Measurement
Polarizing Fizeau Interferometer
Measurement Apparatus
Image Measuring Device
Temperature Compensation
Grating Manufacturing

1,622 patents:

1. 12495221 - Lens flare elimination method, image capturing apparatus, and image measuring apparatus (2025-12-09),
2. 12492889 - Chromatic range sensor system including camera (2025-12-09),
3. 12488448 - Machine vision system with objective lens and collision protection (2025-12-02),
4. 12467772 - Optical encoder with a beam-shaping element (2025-11-11),
5. 12455158 - Metrology system with high speed position and orientation tracking mode (2025-10-28),
6. D1098106 - Connection device for communication (2025-10-14),
7. 12445152 - Correction value calculation method, correction value calculation program, correction value calculation apparatus, and encoder (2025-10-14),
8. 12435756 - Dustproof seal structure (2025-10-07),
9. 12423779 - Metrology system utilizing points-from-focus type processes with glare reduction (2025-09-23),
10. D1093181 - Surface roughness measuring device (2025-09-16),
11. 12399356 - Microscope unit (2025-08-26),
12. 12392605 - Method of estimating uncertainty of coordinate measurement (2025-08-19),
13. 12392595 - Inside-diameter measuring unit, floating joint mechanism unit, and measuring unit (2025-08-19),
14. 12386165 - Microscope unit (2025-08-12),
15. 12386069 - Measurement apparatus and measurement method (2025-08-12),
MITUTOYO CORPORATION is a leading global manufacturer of precision measuring instruments, including calipers, micrometers, height gauges, and coordinate measuring machines. With over 80 years of experience, the company is known for its innovative and high-quality products that meet the highest industry standards. MITUTOYO CORPORATION serves various industries, including automotive, aerospace, and medical, providing accurate and reliable measurement solutions to improve manufacturing processes and product quality.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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1,622 Patents

#2 in Kawasaki

#141 in Japan

#603 in the World

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Kawasaki, Japan

Mitutoyo Corporation

Forward Citations = 12,247

728 inventors:

goldMedal Sadayuki Matsumiya (83 out of 99 patents)

silverMedal Shigeru Ohtani (77 out of 84 patents)

bronzeMedal Joseph Daniel Tobiason (56 out of 57 patents)

4.  Michael Nahum (46 out of 47 patents)

5.  Paul Gerard Gladnick (43 out of 47 patents)

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