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For the Inventor, By the Inventor

Fujisawa, Japan

Kyodo Yushi Co., Ltd.


USPTO Granted Patents = 89



Trademarks = 12

Forward Citations = 201

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195 inventors (with patents filed for the assignee):

goldMedal Yutaka Imai (10 out of 11 patents)

silverMedal Terasu Yoshinari (9 out of 10 patents)

bronzeMedal Tomonobu Komoriya (9 out of 9 patents)

4.  Junichi Imai (8 out of 13 patents)

5.  Mitsuhiro Kakizaki (8 out of 8 patents)

6.  Toshiaki Endo (8 out of 25 patents)

7.  Hiroshi Kimura (7 out of 38 patents)

8.  Iwaki Hirooka (7 out of 7 patents)

9.  Yuta Sato (7 out of 7 patents)

10.  Yuji Onuki (7 out of 8 patents)

11.  Shinya Kondo (7 out of 19 patents)

12.  Ko Tanimura (6 out of 6 patents)

13.  Shinichi Takabe (6 out of 21 patents)

14.  Makoto Hayama (6 out of 7 patents)

15.  Takashi Okaniwa (6 out of 10 patents)


Core Competencies:
Grease Composition
Lubricant Composition
Rolling Bearings
Ball Screw Grease
Magneto-Rheological Grease
Cold Storage Agent
Heat Storage Agent
Automotive Slide Member
Speed Reducer
Electric Power Steering
Noise Reducing Grease
Hub Unit Bearings

89 patents:

1. 12480068 - Grease composition and rack-and-pinion-type steering device filled with the same grease composition (2025-11-25),
2. 12467012 - Grease composition for vehicular hub unit bearings (2025-11-11),
3. 12454655 - Lubricant composition comprising carbon nanotubes (2025-10-28),
4. 12291667 - Cold and heat storage agent composition (2025-05-06),
5. 12221588 - Grease composition and sealing device using same (2025-02-11),
6. 12203046 - Grease composition and rolling bearing (2025-01-21),
7. 12139688 - Ball screw grease composition for rack-assisted electric power steering (2024-11-12),
8. 12077721 - Grease composition for speed reducer part of on-vehicle electric component (2024-09-03),
9. 12031102 - Lubricant for vehicle having vehicle body charged by driving (2024-07-09),
10. 11912956 - Sliding member (2024-02-27),
11. 11713432 - Automotive slide member (2023-08-01),
12. 11702613 - Grease composition for ball joint (2023-07-18),
13. 11635109 - Sliding member (2023-04-25),
14. 11441091 - Grease base oil and grease composition containing said grease base oil (2022-09-13),
15. 11421176 - Grease composition and hub unit (2022-08-23),
KYODO YUSHI CO., LTD. is a Japanese company specialized in the development, manufacture, and sale of lubricants. With over 70 years of experience, KYODO YUSHI is known for its high-quality products and innovative solutions in various industries such as automotive, industrial machinery, and electronics. The company is committed to providing effective lubricant solutions that improve performance, reduce friction, and enhance equipment lifespan. Visit the website to explore their wide range of lubricants and related services.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

89 Patents

#3 in Fujisawa

#1,182 in Japan

#8,375 in the World

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Fujisawa, Japan

Kyodo Yushi Co., Ltd.

Forward Citations = 201

195 inventors:

goldMedal Yutaka Imai (10 out of 11 patents)

silverMedal Terasu Yoshinari (9 out of 10 patents)

bronzeMedal Tomonobu Komoriya (9 out of 9 patents)

4.  Junichi Imai (8 out of 13 patents)

5.  Mitsuhiro Kakizaki (8 out of 8 patents)

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