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Atago Co., Ltd.

USPTO Granted Patents = 21

EPO Patents = 6

Trademarks = 4

Forward Citations = 62

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21 inventors (with patents filed for the assignee):

Hideyuki Amamiya (21 out of 21 patents)

Yoshiaki Torigoe (5 out of 5 patents)

Masanosuke Tanaka (4 out of 4 patents)

4. Yoshinori Nakashima (4 out of 4 patents)

5. Kiminori Sekiguchi (3 out of 3 patents)

6. Keiji Kawada (3 out of 3 patents)

7. Akihito Kubota (2 out of 3 patents)

8. Junichi Matsumoto (2 out of 134 patents)

9. Junji Higuchi (2 out of 2 patents)

10. Yoshinori Nakajima (2 out of 2 patents)

11. Yasuhiko Amagasa (2 out of 2 patents)

12. Mitsunori Shinbo (2 out of 2 patents)

13. Takeshi Kubodera (2 out of 3 patents)

14. Tomohiro Kiire (1 out of 3 patents)

15. Masaki Osawa (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 11796501 - Glass electrode and liquid property measurement device (2023-10-24),

2. 11474015 - Viscosity measurement unit and viscometer (2022-10-18),

3. 11249041 - Oil deterioration detector, sensor cover of oil deterioration detector, and method of measuring degree of oil deterioration (2022-02-15),

4. 11099127 - Nondestructive measurement apparatus (2021-08-24),

5. D922221 - Sample temperature controller (2021-06-15),

6. D906143 - Salinometer, saccharimeter and pH meter (2020-12-29),

7. 10801938 - Viscometer using reaction torque measurement based on rotational phase difference (2020-10-13),

8. 10429332 - Oil degradation meter and method for evaluating oil degradation (2019-10-01),

9. D851523 - Viscometer (2019-06-18),

10. D820703 - Folding carbonic acid concentration measuring instrument (2018-06-19),

11. D820702 - Folding carbonic acid concentration measuring instrument (2018-06-19),

12. D796362 - Viscometer (2017-09-05),

13. 9709489 - Device for measuring polarization degree and refractive index (2017-07-18),

14. D788623 - pH meter (2017-06-06),

15. D750517 - Part of a polarimeter and refractometer (2016-03-01),

Atago Co., Ltd. is a leading manufacturer of refractometers and other analytical instruments based in Japan. With a history of over 80 years, Atago is renowned for its high-quality products and innovative solutions for various industries including food and beverage, pharmaceutical, and chemical. Their cutting-edge technology and commitment to customer satisfaction make them a trusted partner worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

21 Patents

#1,137 in Tokyo

#2,801 in Japan

#29,088 in the World

Atago Co., Ltd.

Forward Citations = 62

21 inventors:

Hideyuki Amamiya (21 out of 21 patents)

Yoshiaki Torigoe (5 out of 5 patents)

Masanosuke Tanaka (4 out of 4 patents)

4. Yoshinori Nakashima (4 out of 4 patents)

5. Kiminori Sekiguchi (3 out of 3 patents)

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