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Kabushiki Kaisha Mitutoyo Seisakusho

USPTO Granted Patents = 18

Trademarks = 2

Forward Citations = 108

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18 inventors (with patents filed for the assignee):

Goro Nishikata (3 out of 9 patents)

Kiyohiro Nakata (2 out of 5 patents)

Tadao Nakaya (2 out of 8 patents)

4. Mineo Yamauchi (2 out of 4 patents)

5. Masao Nakahara (2 out of 10 patents)

6. Kozo Shibukawa (2 out of 2 patents)

7. Shingo Nishina (1 out of 16 patents)

8. Kenju Uchino (1 out of 2 patents)

9. Tetsunori Tanada (1 out of 1 patent)

10. Yasuyuki Yamaryo (1 out of 1 patent)

11. Yasuo Takeda (1 out of 1 patent)

12. Iwao Sugizaki (1 out of 6 patents)

13. Takashi Kobashi (1 out of 3 patents)

14. Yukito Matui (1 out of 1 patent)

15. Yoshinobu Inaba (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 4419825 - Height gauge (1983-12-13),

2. 4399613 - Two-leg vernier calipers and its manufacturing method (1983-08-23),

3. 4375722 - Vernier caliper (1983-03-08),

4. 4306652 - Seal for a dial indicator on a gauge or the like (1981-12-22),

5. 4288924 - Inside dimension measuring gauge (1981-09-15),

6. 4255861 - Electrically digital display micrometer (1981-03-17),

7. 4236481 - Measuring instrument (1980-12-02),

8. 4188727 - Constant pressure slide calipers for inside-outside measurements (1980-02-19),

9. 4174575 - Measuring instrument (1979-11-20),

10. 4168575 - Constant pressure measuring micrometer (1979-09-25),

11. 4151653 - Measuring instrument (1979-05-01),

12. 4136456 - Hole gauge (1979-01-30),

13. 4094070 - Micrometer head with double counter (1978-06-13),

14. 4077129 - Portable, lightweight measuring instrument (1978-03-07),

15. 4075763 - Dial indicator gauge (1978-02-28),

Kabushiki Kaisha Mitutoyo Seisakusho, commonly known as Mitutoyo, is a Japanese multinational corporation specializing in manufacturing precision measuring instruments, metrology systems, and industrial machinery. The company was founded in 1934 and is headquartered in Kawasaki, Japan. Mitutoyo is renowned for its industry-leading products in the field of dimensional measurement, including micrometers, calipers, comparators, and coordinate measuring machines. With a commitment to quality and innovation, Mitutoyo continues to provide high-precision solutions for various industries worldwide.

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Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

18 Patents

#1,227 in Tokyo

#3,053 in Japan

#33,170 in the World

Kabushiki Kaisha Mitutoyo Seisakusho

Forward Citations = 108

18 inventors:

Goro Nishikata (3 out of 9 patents)

Kiyohiro Nakata (2 out of 5 patents)

Tadao Nakaya (2 out of 8 patents)

4. Mineo Yamauchi (2 out of 4 patents)

5. Masao Nakahara (2 out of 10 patents)

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