Naoki Nakagawa

This inventor holds 50 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 2 EPO patents, primarily in Display Technology. Top assignees: Mitsubishi Electric Corporation, Mitsubishi Denki Kabushiki Kaisha, Nippon Telegraph and Telephone Corporation. Active years: 1991-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoki Nakagawa. Retrieved from https://idiyas.com/inventor/naoki-nakagawa

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

USPTO Granted Patents = 50 (Patent Applications = 3)

% Patents Active = 80.0

CIPO Patents = 1

EPO Patents = 2 (Patent Applications = 6)

Average Co-Inventor Count = 4.7

ph-index = 9

Forward Citations = 318(Granted Patents)

Forward Citations (Not Self Cited) = 293(Dec 10, 2025)

Location History:

Amagasaki, JP (1994 - 1996)
Hyogo, JP (1991 - 2007)
Chiyoda-ku, JP (2009 - 2016)
Ibaraki, JP (2020)
Tsukuba, JP (2021)
Tokyo, JP (2004 - 2024)

Company Filing History:

37 out of 16,586

Mitsubishi Electric Corporation

patents

8 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

3 out of 5,300

Nippon Telegraph and Telephone Corporation

Mitsubishi Denki K.k.

patents

6. 1 out of 2,643

The Furukawa Electric Co., Ltd.

patents

7. 1 out of 834,453

Other

patents

where one patent can have more than one assignee

Years Active: 1991-2025

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Areas of Expertise:

Touch Panel

Display Device

Thin-Film Transistor

Optical Fiber

Tactile Presentation

Refrigeration Cycle

Air-Conditioning

Semiconductor

Liquid Crystal Display

Transistor

Image Reading

Antireflection Coating

50 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12287919 - Tactile presentation device, tactile presentation touch panel, and tactile presentation touch display (2025-04-29),

2. 11942489 - Image reading device (2024-03-26),

3. 11927381 - Air-conditioning apparatus (2024-03-12),

4. 11879677 - Air-conditioning apparatus (2024-01-23),

5. 11585579 - Refrigeration cycle apparatus (2023-02-21),

6. 11236934 - Refrigeration cycle apparatus (2022-02-01),

7. 11204191 - Air-conditioning apparatus provided with refrigerant circuit capable of performing heating operation (2021-12-21),

8. 11073730 - Display device (2021-07-27),

9. 11002928 - Optical fiber cable (2021-05-11),

10. 10859780 - Optical fiber unit, optical fiber cable, and method for manufacturing optical fiber unit (2020-12-08),

11. 10545575 - Touch screen and touch panel device (2020-01-28),

12. 10401996 - Display panel and display apparatus (2019-09-03),

13. 10394395 - Touch screen, touch panel, display device and electronic device (2019-08-27),

14. 10345516 - Optical fiber cable (2019-07-09),

15. 10074722 - Transistor, thin-film transistor substrate, and liquid crystal display (2018-09-11),

Title: Naoki Nakagawa - Innovative Inventor from Tokyo

Introduction: Naoki Nakagawa is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Naoki Nakagawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his diverse range of expertise and creativity.

Career Highlights: With over two decades of experience in the industry, Nakagawa has worked with leading tech companies in Japan, spearheading projects that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Throughout his career, Naoki Nakagawa has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Naoki Nakagawa's passion for pushing the boundaries of technology and his relentless pursuit of excellence make him a true pioneer in the world of inventions and innovations.

Profile summary based on public USPTO records.