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The Ohtsu Tire & Rubber Co., Ltd.

USPTO Granted Patents = 70

Forward Citations = 854

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52 inventors (with patents filed for the assignee):

Takehiko Murata (10 out of 10 patents)

Masaaki Minamitani (8 out of 8 patents)

Masami Shinomiya (6 out of 6 patents)

4. Tokimi Hamada (6 out of 6 patents)

5. Shoichi Sano (5 out of 57 patents)

6. Isao Osada (5 out of 5 patents)

7. Kohtaroh Tsutsumi (5 out of 6 patents)

8. Kotaro Tsutsumi (5 out of 5 patents)

9. Keizi Fuzioka (4 out of 4 patents)

10. Hisashi Shintomi (4 out of 4 patents)

11. Toshinori Furusawa (4 out of 4 patents)

12. Hitoo Umemoto (4 out of 4 patents)

13. Tomekichi Matsushita (3 out of 3 patents)

14. Yuzi Shimamoto (3 out of 3 patents)

15. Hajime Yoshimura (2 out of 60 patents)

Core Competencies:

Pneumatic Tire

Automobile Tire

Crawler Belt

Anti-Skid Device

Radial Tire

All-Terrain Tire

Back Lighting Device

Resilient Crawler

Tire Traction Unit

Reinforcing Layer

Tire Bead Dislodging Device

Light Conducting Plate

70 patents: Sort by Forward Citations

1. 7185958 - Elastic crawler (2007-03-06),

2. 6901983 - Pneumatic tire with belt layer overlapping folded portion of carcass (2005-06-07),

3. 6536852 - Resilient crawler and method of manufacture the same (2003-03-25),

4. 6533011 - Pneumatic tire with belt layer overlapping folded portion of carcass (2003-03-18),

5. 6435686 - Light conducting plate for a back lighting device and back lighting device (2002-08-20),

6. D459695 - Automobile tire (2002-07-03),

7. D454534 - Automobile tire (2002-03-20),

8. D427953 - Automobile tire (2000-07-11),

9. D410601 - Automobile tire (1999-06-08),

10. D410419 - Automobile tire (1999-06-01),

11. D409954 - Automobile tire (1999-05-18),

12. 5894900 - Motor vehicle with rear crawler belts (1999-04-20),

13. D389793 - Automobile tire (1998-01-27),

14. D388752 - Automobile tire (1998-01-06),

15. 5632537 - Crawler belt for crawler motor vehicle (1997-05-27),

The Ohtsu Tire & Rubber Co., Ltd. is a leading tire manufacturer based in Japan. With a history dating back over 100 years, the company is known for its high-quality and durable tires for various vehicles including cars, trucks, and SUVs. Ohtsu Tire & Rubber Co., Ltd. is committed to innovation and sustainability in its tire production processes, making it a trusted choice for customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

70 Patents

#131 in Osaka

#1,372 in Japan

#10,199 in the World

The Ohtsu Tire & Rubber Co., Ltd.

Forward Citations = 854

52 inventors:

Takehiko Murata (10 out of 10 patents)

Masaaki Minamitani (8 out of 8 patents)

Masami Shinomiya (6 out of 6 patents)

4. Tokimi Hamada (6 out of 6 patents)

5. Shoichi Sano (5 out of 57 patents)

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