Haruhiko Nagai

This inventor holds 15 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Agency of Industrial Science and Technology. Active years: 1982-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruhiko Nagai. Retrieved from https://idiyas.com/inventor/haruhiko-nagai

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

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 5.4

ph-index = 9

Forward Citations = 201(Granted Patents)

Location History:

Amagasaki, JP (1982 - 1994)
Hyogo, JP (1984 - 1994)
Tokyo, JP (1999 - 2002)

Company Filing History:

14 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

1 out of 1,430

Agency of Industrial Science and Technology

patents

Years Active: 1982-2002

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6337724 - Image display system (2002-01-08),

2. 5864374 - Method and apparatus for image generation (1999-01-26),

3. 5313487 - Discharge excitation gas laser apparatus (1994-05-17),

4. 5305338 - Switch device for laser (1994-04-19),

5. 5187716 - Excimer laser device (1993-02-16),

6. 5181217 - Laser oscillator circuit (1993-01-19),

7. 5107511 - Method of stabilizing laser wavelength and laser device with stabilized (1992-04-21),

8. 4914662 - Laser wavelength stabilization (1990-04-03),

9. 4837773 - Discharge excitation type short pulse laser (1989-06-06),

10. 4722090 - Excimer laser equipment (1988-01-26),

11. 4686682 - Discharge excitation type short pulse laser device (1987-08-11),

12. 4606035 - Lateral excitation type gas laser (1986-08-12),

13. 4488309 - Gas laser apparatus (1984-12-11),

14. 4343040 - Transverse excitation type laser oscillator (1982-08-03),

15. 4317090 - Laser oscillator (1982-02-23),

Title: Haruhiko Nagai: Innovator in Image Display Technology

Introduction

Haruhiko Nagai is a prominent inventor based in Amagasaki, Japan. He has made significant contributions to the field of image display technology, holding a total of 15 patents. His innovative work has paved the way for advancements in how images are generated and displayed.

Latest Patents

Nagai's latest patents include an image display system that features a plurality of liquid crystal modules arranged both vertically and horizontally. Each module is supplied light by a light source via optical fibers, allowing for a screen that can be wound up at a cabinet. A light shielding board is installed to ensure that images from each module do not interfere with one another. Another notable patent is a method and apparatus for image generation, which incorporates dichroic mirrors for reflecting red and blue light. This compact configuration utilizes a rotating elliptic mirror to create a lighting equipment that irradiates conic luminous flux.

Career Highlights

Throughout his career, Haruhiko Nagai has worked with notable companies such as Mitsubishi Electric Corporation and the Agency of Industrial Science and Technology. His experience in these organizations has contributed to his expertise in developing cutting-edge technologies.

Collaborations

Nagai has collaborated with several talented individuals in his field, including Kenyu Haruta and Yukio Sato. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Haruhiko Nagai's contributions to image display technology and his impressive portfolio of patents highlight his role as a leading inventor in the industry. His work continues to influence advancements in visual technology.

Profile summary based on public USPTO records.

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]