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Yoshida Kogyo K.k.

USPTO Granted Patents = 1,145

Trademarks = 10

Forward Citations = 11,367

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509 inventors (with patents filed for the assignee):

Hiroshi Yoshida (53 out of 64 patents)

Shunji Akashi (52 out of 82 patents)

Kazumi Kasai (34 out of 54 patents)

4. Kihei Takahashi (34 out of 38 patents)

5. Yoshiyuki Horita (31 out of 31 patents)

6. Yoshio Matsuda (29 out of 57 patents)

7. Susumu Ishii (28 out of 28 patents)

8. Kiyoshi Oda (27 out of 40 patents)

9. Ryuichi Murasaki (23 out of 78 patents)

10. Yasuharu Terada (21 out of 21 patents)

11. Ryukichi Murai (21 out of 28 patents)

12. Tsuyoshi Masumoto (21 out of 49 patents)

13. Yoshihiro Kanzaka (20 out of 26 patents)

14. Karl Gartner (20 out of 24 patents)

15. Keiichi Yoshieda (19 out of 20 patents)

Core Competencies:

Buckle Assembly

Amorphous Alloy Material

Electrochromic Copolymers

Transparent Conductive ZnO Film

Slide Fastener

High-Toughness Alumina Composite

Separable End Stop

Cord Locking Device

High-Strength Aluminum Alloy

Fastening Devices

Curtain Attachment Structure

Continuous Casting Cooling Method

1,145 patents: Sort by Forward Citations

1. 6052875 - Buckle assembly (2000-04-25),

2. 6027586 - Forming process of amorphous alloy material (2000-02-22),

3. 5746880 - Tape cassette and automatic attaching apparatus for heat-fusible tape (1998-05-05),

4. 5648174 - Highly hard thin film and method for production thereof (1997-07-15),

5. 5599756 - Sintered high-toughness alumina-based composite body (1997-02-04),

6. 5561206 - Electrochromic copolymers including vinyl alcohol or vinyl acetate units (1996-10-01),

7. 5545443 - Method for producing a transparent conductive ZnO film by incorporating (1996-08-13),

8. 5544387 - Curtain attachment connector assembly and curtain attachment connector (1996-08-13),

9. 5533240 - Lock fastener (1996-07-09),

10. 5520983 - Outerlining fabric for curtain and curtain attachment structure using (1996-05-28),

11. 5518522 - Deformed ultra fine grains and process for producing same in bulk (1996-05-21),

12. 5509181 - Fitting for ball chains (1996-04-23),

13. 5500276 - Slide fastener made of synthetic resin (1996-03-19),

14. 5499432 - Fastening device (1996-03-19),

15. 5495655 - Method and apparatus for forming slide-fastener coupling element (1996-03-05),

Yoshida Kogyo K.K. is a Japanese manufacturing company specializing in automotive parts and industrial machinery. With over 50 years of experience, Yoshida Kogyo has built a strong reputation for delivering high-quality products and reliable services to its clients. The company focuses on innovation and continuous improvement, leveraging advanced technologies and a skilled workforce to meet the evolving needs of the market. Visit their website to learn more about their products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

1,145 Patents

#93 in Tokyo

#196 in Japan

#870 in the World

Yoshida Kogyo K.k.

Forward Citations = 11,367

509 inventors:

Hiroshi Yoshida (53 out of 64 patents)

Shunji Akashi (52 out of 82 patents)

Kazumi Kasai (34 out of 54 patents)

4. Kihei Takahashi (34 out of 38 patents)

5. Yoshiyuki Horita (31 out of 31 patents)

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