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For the Inventor, By the Inventor

Tokyo, Japan

Koito Manufacturing., Ltd.

Calculating rank
USPTO Granted Patents = 46

% Expired Patents = 2.2


Forward Citations = 21

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143 inventors (with patents filed for the assignee):

goldMedal Yuichi Watano (4 out of 28 patents)

silverMedal Takahiro Totsuka (3 out of 9 patents)

bronzeMedal Masanori Kito (3 out of 10 patents)

4.  Yuta Maruyama (3 out of 19 patents)

5.  Takashi Terayama (3 out of 11 patents)

6.  Yuichi Nakazawa (3 out of 15 patents)

7.  Hiroki Sumitani (3 out of 4 patents)

8.  Hiroki Kawai (2 out of 14 patents)

9.  Akinori Matsumoto (2 out of 32 patents)

10.  Takao Muramatsu (2 out of 50 patents)

11.  Kazuma Mochizuki (2 out of 17 patents)

12.  Norihiko Kobayashi (2 out of 13 patents)

13.  Takuya Kataoka (2 out of 6 patents)

14.  Yosuke Menjo (2 out of 5 patents)

15.  Kazuhiro Suzuki (2 out of 2 patents)


Core Competencies:
Vehicle Lamp
Headlamp Unit
Light Distribution Control
Vehicular Sensing System
Adaptive Vehicle Headlamp
Light-Emitting Device
Road Surface Drawing Lamp
Lamp Electronic Control Unit
Vehicle Control System
Semiconductor Light-Emitting Element
Gating Camera
Sensor System

46 patents:

1. 12787141 - Rear turn lamp (2026-11-03),
2. 12781943 - Drawing lamp (2026-11-03),
3. 12781937 - Vehicle headlamp (2026-11-03),
4. 12755429 - Attitude determining device, vehicle lamp system, attitude determining method, and calibration method (2026-10-06),
5. 12752872 - Vehicle detecting device, light distribution controlling device, and vehicle detecting method (2026-10-06),
6. 12752697 - Vehicle lamp system, control device, illuminating state restriction method, and recording medium (2026-10-06),
7. 12746995 - Saddle-riding vehicle and headlamp unit (2026-09-29),
8. 12741584 - Actuator and on-vehicle device using same (2026-09-22),
9. 12729825 - Road surface drawing lamp and road surface drawing lamp system (2026-09-08),
10. 12712758 - VEHICLE CONTROL SYSTEM (2026-08-18),
11. 12710155 - LAMP FOR DRAWING (2026-08-18),
12. 12709347 - ROAD SURFACE RENDERING DEVICE (2026-08-18),
13. 12707550 - Lamp electronic control unit (2026-08-11),
14. 12704232 - Vehicle lamp (2026-08-11),
15. 12697918 - Vehicle lamp system, light distribution controlling device, and light distribution controlling method (2026-08-04),
Company Overview
Koito Manufacturing Co., Ltd. is a prominent Japanese company specializing in the development and production of automotive lighting systems and components. With a strong focus on innovation, Koito is dedicated to enhancing vehicle safety and visibility through advanced technologies in lighting design and manufacturing. The company also engages in research related to transportation systems, contributing to the evolution of smart mobility solutions. Its commitment to quality and sustainability positions it as a key player in the global automotive industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

46 Patents

#840 in Tokyo

#1,812 in Japan

#15,149 in the World

Tokyo, JP
Tokyo, Japan

Koito Manufacturing., Ltd.

Forward Citations = 21

143 inventors:

goldMedal Yuichi Watano (4 out of 28 patents)

silverMedal Takahiro Totsuka (3 out of 9 patents)

bronzeMedal Masanori Kito (3 out of 10 patents)

4.  Yuta Maruyama (3 out of 19 patents)

5.  Takashi Terayama (3 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Koito Manufacturing., Ltd.. Retrieved from https://idiyas.com/company/koito-manufacturing

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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