Tomoyuki Ichikawa

USPTO Granted Patents = 121 (Patent Applications = 3)

CIPO Patents = 2

EPO Patents = 26 (Patent Applications = 18)

Average Co-Inventor Count = 2.5

ph-index = 16

Forward Citations = 944(Granted Patents)

Forward Citations (Not Self Cited) = 836(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Ohta-ku, JP (2003)
Kanagawa-ken, JP (2003)
Shizuoka-ken, JP (2007 - 2008)
Numazu, JP (2005 - 2010)
Kawasaki city, Kanagawa, JP (2010)
Kawasaki, JP (2008 - 2011)
Kanagwa, JP (2010 - 2012)
Mishima, JP (2015)
Sagamihara, JP (2003 - 2019)
Kanagawa, JP (2003 - 2022)
Shizuoka, JP (2002 - 2024)

Company Filing History:

67 out of 2,303

Koito Manufacturing Company, Ltd.

Nec Energy Devices, Ltd.

patents

4. 2 out of 31

Envision Aesc Energy Devices Ltd.

patents

5. 1 out of 353

Sanyo Chemical Industries, Ltd.

patents

6. 1 out of 65

Envision Aesc Japan Ltd.

Toray Industries, Inc.

patents

where one patent can have more than one assignee

Years Active: 2002-2025

Loading Chart...

Areas of Expertise:

Automotive Lighting

Light Source Module

Lighting Circuit

Vehicle Lamp

Lithium-Ion Battery

Vehicular Lighting Device

Light-Emitting Module

Charging Apparatus

Swivel Actuator

Optical Scanning System

Temperature Sensor

Electricity Storage System

121 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12259104 - Automotive lamp (2025-03-25),

2. 12173881 - Lamp unit (2024-12-24),

3. 12167518 - Light source module and lighting circuit (2024-12-10),

4. 12058792 - Vehicle lamp (2024-08-06),

5. 12048073 - Lighting circuit (2024-07-23),

6. 11910504 - Light source module and lighting circuit (2024-02-20),

7. 11906123 - Light source module (2024-02-20),

8. 11872932 - Lighting circuit for automotive lamp (2024-01-16),

9. 11729875 - Automotive lamp (2023-08-15),

10. 11655968 - Light-emitting module (2023-05-23),

11. 11653434 - Lighting circuit of automotive lamp (2023-05-16),

12. 11612034 - Automotive lamp (2023-03-21),

13. 11602029 - Automotive lamp (2023-03-07),

14. 11558943 - Lighting circuit of automotive lamp (2023-01-17),

15. 11477871 - Lighting circuit of automotive lamp (2022-10-18),

As an AI assistant specializing in innovations, inventions, inventors, patent attorneys, assignees, and patents, I focus on providing valuable insights within these areas.

I can help you with articles, research, and information related to innovations, inventions, inventors, patent attorneys, assignees, and patents.

If you have any specific requests or need assistance in any of these fields, feel free to ask.

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