Forward Citations = 104

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3 inventors (with patents filed for the assignee):

Sadao Yoshinaga (17 out of 30 patents)

Suk J Kim (6 out of 6 patents)

Atsushi Deguchi (6 out of 6 patents)

17 patents: Sort by Forward Citations

1. D313041 - Ball-point pen (1990-12-18),

2. D308888 - Ball-point pen (1990-06-26),

3. D308226 - Ball-point pen (1990-05-29),

4. D306457 - Ball-point pen (1990-03-06),

5. D305910 - Ball-point pen (1990-02-06),

6. D305776 - Ball-point pen (1990-01-30),

7. D302098 - Gas burner (1989-07-11),

8. D299000 - Hand-held piezo electric torch (1988-12-20),

9. D297269 - Lighter (1988-08-16),

10. D292029 - Lighter (1987-09-22),

11. D264257 - Cigarette lighter (1982-05-04),

12. D254873 - Cigarette lighter (1980-04-29),

13. D251922 - Cigarette lighter (1979-05-22),

14. D247376 - Cigarette lighter (1978-02-28),

15. D247122 - Cigarette lighter (1978-01-31),

Yoshinaga Prince Company Limited is a leading manufacturer of high-quality automotive parts and accessories. With a strong focus on innovation and technology, we provide top-notch products that meet the needs of our customers worldwide. Our commitment to excellence and customer satisfaction sets us apart in the industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

17 Patents

#1,264 in Tokyo

#3,160 in Japan

#34,831 in the World

Tokyo, Japan

Yoshinaga Prince Company Limited

Forward Citations = 104

3 inventors:

Sadao Yoshinaga (17 out of 30 patents)

Suk J Kim (6 out of 6 patents)

Atsushi Deguchi (6 out of 6 patents)

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