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Koito Seisakusho Co., Ltd.

USPTO Granted Patents = 59

Forward Citations = 942

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71 inventors (with patents filed for the assignee):

Naohi Nino (7 out of 19 patents)

Shizuya Miyauchi (5 out of 6 patents)

Hidehiko Nagasawa (4 out of 6 patents)

4. Toranosuke Sakuma (4 out of 7 patents)

5. Kenji Miyazawa (4 out of 6 patents)

6. Yoshiki Kurosawa (3 out of 4 patents)

7. Mitsuhiro Okano (3 out of 5 patents)

8. Kazutami Ohishi (3 out of 4 patents)

9. Akira Fuke (3 out of 3 patents)

10. Kiyoshi Wada (3 out of 3 patents)

11. Masaru Kaneko (2 out of 4 patents)

12. Tsutomu Machida (2 out of 17 patents)

13. Akira Saijo (2 out of 7 patents)

14. Hiroyuki Makita (2 out of 18 patents)

15. Toshiyasu Mochizuki (2 out of 7 patents)

Core Competencies:

Vanity Mirrors

Automotive Lighting

Headlight Devices

Lamp Assemblies

Vehicle Stop Lights

Beam Pattern Leveling

Electric Control Systems

Metal Ion Lasers

Auxiliary Vehicle Lights

Window Regulators

Motorcycle Accessories

Lighting Mechanisms

59 patents: Sort by Forward Citations

1. 5029052 - Vanity mirror with lamp (1991-07-02),

2. D315218 - Signal lamp for automobiles (1991-03-05),

3. D314244 - Auxiliary vehicle stop light (1991-01-29),

4. 4949226 - Projector-type lighting device of expanded outline appearance for use as (1990-08-14),

5. 4930367 - Perpendicularly intersecting gear device (1990-06-05),

6. 4922389 - Headlight device for vehicle (1990-05-01),

7. 4920460 - Self-illuminated grill for motor vehicles (1990-04-24),

8. 4918580 - Vehicle headlamp (1990-04-17),

9. 4916589 - Mounting structure for automobile lamp (1990-04-10),

10. 4916587 - Tilting device of vehicle headlight (1990-04-10),

11. 4916585 - Headlight device for vehicle (1990-04-10),

12. 4916583 - Vehicular headlamp (1990-04-10),

13. 4914747 - Vehicular headlamp (1990-04-03),

14. 4909562 - Vanity mirror on a visor having a spring-energized, controlled-movement (1990-03-20),

15. 4903173 - Headlight device (1990-02-20),

Koito Seisakusho Co., Ltd. is a leading global manufacturer of automotive lighting equipment based in Japan. With over 100 years of industry experience, Koito is dedicated to providing high-quality lighting solutions that enhance safety and visibility on the road. The company offers a comprehensive range of products including headlights, signal lamps, fog lamps, and more. Koito's innovative technologies and commitment to excellence have earned them a strong reputation in the automotive industry worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

59 Patents

#640 in Tokyo

#1,525 in Japan

#11,959 in the World

Koito Seisakusho Co., Ltd.

Forward Citations = 942

71 inventors:

Naohi Nino (7 out of 19 patents)

Shizuya Miyauchi (5 out of 6 patents)

Hidehiko Nagasawa (4 out of 6 patents)

4. Toranosuke Sakuma (4 out of 7 patents)

5. Kenji Miyazawa (4 out of 6 patents)

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