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Ichikoh Industries, Ltd.

USPTO Granted Patents = 399

EPO Patents = 145

Trademarks = 2

Forward Citations = 3,283

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269 inventors (with patents filed for the assignee):

Yasuhiro Okubo (45 out of 45 patents)

Kazunori Iwasaki (25 out of 25 patents)

Toshiya Abe (24 out of 24 patents)

4. Eiji Suzuki (20 out of 20 patents)

5. Ikuo Sakata (18 out of 19 patents)

6. Yasufumi Suzuki (18 out of 18 patents)

7. Yutaka Nakata (17 out of 17 patents)

8. Osamu Tsuyama (9 out of 9 patents)

9. Masao Enomoto (9 out of 9 patents)

10. Hiroyasu Onuki (8 out of 8 patents)

11. Yoshiro Sato (7 out of 7 patents)

12. Takayuki Kawamura (7 out of 7 patents)

13. Masateru Hayashi (6 out of 6 patents)

14. Kenji Matsuoka (6 out of 6 patents)

15. Katsuhiko Inoue (5 out of 5 patents)

Core Competencies:

Vehicle Lighting

Projection Device

Light Source Unit

Lamp Unit

Vehicular Headlamp

Light Fixture

Excitation Light Source

Optical Filter

Light Guiding Body

Vehicle Indication Device

Lighting Appliance

Vehicular Lamp System

399 patents: Sort by Forward Citations

1. 12504138 - Vehicle light-guiding body and vehicle lighting unit (2025-12-23),

2. 12492799 - Lighting fixture for vehicle (2025-12-09),

3. 12459425 - Projection device for vehicle, method of operating same, and light fixture for vehicle (2025-11-04),

4. 12459424 - Vehicle lamp control device, and vehicle lamp (2025-11-04),

5. 12455059 - Light source unit for vehicular lighting tool and vehicular lighting tool (2025-10-28),

6. 12420702 - Vehicle projection device, control method therefor, and vehicle lamp (2025-09-23),

7. 12410899 - Lamp unit for vehicular headlamp, and vehicular headlamp (2025-09-09),

8. 12404983 - Vehicle lamp (2025-09-02),

9. 12366338 - Vehicle lamp (2025-07-22),

10. 12358424 - Vehicle lamp (2025-07-15),

11. 12345387 - Lighting tool for vehicles (2025-07-01),

12. 12326234 - Lamp unit and vehicle lighting tool (2025-06-10),

13. 12305823 - Vehicle lighting appliance lens, vehicle lighting appliance unit, and vehicle lighting appliance device (2025-05-20),

14. 12305822 - Light source unit for vehicle lamp, vehicle lamp (2025-05-20),

15. 12292173 - Lamp unit, and vehicle lamp fitting (2025-05-06),

Ichikoh Industries, Ltd. is a leading Japanese company specializing in the development, production, and sale of automotive lighting systems. With over 70 years of industry experience, Ichikoh has become a trusted global supplier to major automobile manufacturers. The company consistently invests in research and development to create innovative lighting solutions that enhance vehicle safety and aesthetics. Their products range from headlights, taillights, and fog lights to interior lighting systems. Ichikoh maintains a commitment to quality, sustainability, and customer satisfaction in all aspects of their operations.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

399 Patents

#1 in Isehara

#423 in Japan

#2,265 in the World

Ichikoh Industries, Ltd.

Forward Citations = 3,283

269 inventors:

Yasuhiro Okubo (45 out of 45 patents)

Kazunori Iwasaki (25 out of 25 patents)

Toshiya Abe (24 out of 24 patents)

4. Eiji Suzuki (20 out of 20 patents)

5. Ikuo Sakata (18 out of 19 patents)

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