For the Inventor, By the Inventor

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Tsubota Laboratory, Inc.

USPTO Granted Patents = 11

EPO Patents = 8

Forward Citations = 55

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16 inventors (with patents filed for the assignee):

Kazuo Tsubota (9 out of 20 patents)

Toshihide Kurihara (8 out of 10 patents)

Hidemasa Torii (6 out of 6 patents)

4. Masahiko Yamakawa (2 out of 34 patents)

5. Kazuno Negishi (2 out of 2 patents)

6. Daisuke Kaneda (2 out of 5 patents)

7. Akio Koike (1 out of 44 patents)

8. Masamichi Tanida (1 out of 14 patents)

9. Shinichi Ikeda (1 out of 17 patents)

10. Kensuke Nagai (1 out of 23 patents)

11. Tetsuya Nakashima (1 out of 33 patents)

12. Yutaka Kuroiwa (1 out of 15 patents)

13. Hiroyuki Hijiya (1 out of 19 patents)

14. Manabu Nishizawa (1 out of 45 patents)

15. Shunsuke Shioya (1 out of 3 patents)

11 patents: Sort by Forward Citations

1. 12478597 - Mouse myopia-induced model and endoplasmic reticulum stress suppressant for preventing and suppressing myopia (2025-11-25),

2. D1067314 - Temple for eyeglasses (2025-03-18),

3. 12023513 - Light source for myopia prevention article and method of using light source for myopia prevention article (2024-07-02),

4. 11813299 - Composition and functional food for preventing myopia (2023-11-14),

5. D958065 - Charger (2022-07-19),

6. 11007375 - Light source for myopia prevention article and method of using light source for myopia prevention article (2021-05-18),

7. 10866433 - Optical element (2020-12-15),

8. 10865134 - Glass (2020-12-15),

9. 10823982 - Myopia treatment device (2020-11-03),

10. 10660182 - Display system, electronic device, and lighting system (2020-05-19),

11. 10133092 - Myopia prevention device (2018-11-20),

Tsubota Laboratory, Inc. is a leading Japanese company specializing in the development and manufacturing of laboratory instruments, equipment, and consumables. With a strong focus on innovation and quality, Tsubota Laboratory has been serving a wide range of industries such as pharmaceutical, biotechnology, chemical, and food testing. Their products are known for their reliability, precision, and user-friendly design, making them the preferred choice for many research laboratories and academic institutions worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

11 Patents

#1,592 in Tokyo

#4,046 in Japan

#50,237 in the World

Tsubota Laboratory, Inc.

Forward Citations = 55

16 inventors:

Kazuo Tsubota (9 out of 20 patents)

Toshihide Kurihara (8 out of 10 patents)

Hidemasa Torii (6 out of 6 patents)

4. Masahiko Yamakawa (2 out of 34 patents)

5. Kazuno Negishi (2 out of 2 patents)

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