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Junkosha Co., Ltd.

USPTO Granted Patents = 69

Forward Citations = 1,981

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43 inventors (with patents filed for the assignee):

Hirosuke Suzuki (23 out of 30 patents)

Satoru Kobayashi (10 out of 10 patents)

Hiromi Yasumoto (7 out of 9 patents)

4. Haruo Imaizumi (7 out of 7 patents)

5. Yoshiaki Sato (6 out of 31 patents)

6. Juji Akiba (4 out of 5 patents)

7. Satoshi Tanaka (4 out of 4 patents)

8. Hiroyuki Sugibuchi (4 out of 4 patents)

9. Masahiro Suzuki (3 out of 27 patents)

10. Haruo Nomi (3 out of 7 patents)

11. Jyuji Akiba (3 out of 3 patents)

12. Hiroshi Kato (2 out of 88 patents)

13. Tetsuya Hirose (2 out of 11 patents)

14. Takeshi Hoshiko (2 out of 2 patents)

15. Chiharu Harayama (2 out of 2 patents)

Core Competencies:

Composite Filter Material

Coaxial Electrical Cable

Electrical Insulation

Liquid Dispensing Apparatus

Multilayer Circuit Board

Superconducting Cable

Leak Detection Sensor

Flexible Printed Circuit Board

Optical Transmission Line

Temperature Sensor

Dielectric Material

69 patents: Sort by Forward Citations

1. 5571413 - Composite filter material (1996-11-05),

2. 5525911 - Vertical probe tester card with coaxial probes (1996-06-11),

3. 5457287 - Coaxial electrical cable (1995-10-10),

4. 5393929 - Electrical insulation and articles thereof (1995-02-28),

5. 5308689 - Snag-resistant composite fabric (1994-05-03),

6. 5227742 - Stripline cable having a porous dielectric tape with openings disposed (1993-07-13),

7. 5209275 - Liquid dispensing apparatus and method by sensing the type of liquid (1993-05-11),

8. 5194459 - Fluoropolymer insulating material containing hollow microspheres (1993-03-16),

9. 5165964 - Process for applying deodorant particles to a membrane (1992-11-24),

10. 5136123 - Multilayer circuit board (1992-08-04),

11. 5085863 - Tube provided with a white bismuth salt containing bismuth compound (1992-02-04),

12. 5055064 - Branching connector for a shielded cable (1991-10-08),

13. 4972179 - Liquid leakage detection apparatus including wheatstone bridge (1990-11-20),

14. 4966886 - Superconducting cable with continuously porous insulation (1990-10-30),

15. 4965290 - Low permittivity composite material (1990-10-23),

Junkosha Co., Ltd. is a Japanese company specializing in the development and manufacturing of high-performance polymer products. With a focus on innovation and quality, Junkosha provides a wide range of solutions for various industries including medical, aerospace, and telecommunications. Their cutting-edge products and technologies have earned them a reputation as a trusted partner in the global market.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

69 Patents

#590 in Tokyo

#1,390 in Japan

#10,482 in the World

Junkosha Co., Ltd.

Forward Citations = 1,981

43 inventors:

Hirosuke Suzuki (23 out of 30 patents)

Satoru Kobayashi (10 out of 10 patents)

Hiromi Yasumoto (7 out of 9 patents)

4. Haruo Imaizumi (7 out of 7 patents)

5. Yoshiaki Sato (6 out of 31 patents)

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