Hiroaki Okayama

This inventor holds 58 USPTO granted patents and 10 published patent applications and 17 EPO patents, primarily in Head-Up Display Technology (CPC class G02B). Top assignees: Panasonic Intellectual Property Management Co., Ltd., Matsushita Electric Industrial Co., Ltd., Panasonic Corporation. Active years: 1993-2026.

USPTO Granted Patents = 58 (Patent Applications = 10)

% Patents Active = 86.2

EPO Patents = 17 (Patent Applications = 19)

Average Co-Inventor Count = 2.9

ph-index = 8

Forward Citations = 267(Granted Patents)

Forward Citations (Not Self Cited) = 245(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Hirakata, JP (1993 - 1996)
Yamatotakada, JP (1996 - 2003)
Osaka, JP (2007 - 2023)
Nara, JP (1999 - 2024)

Company Filing History:

32 out of 13,338

Panasonic Intellectual Property Management Co., Ltd.

patents

16 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

4 out of 16,454

Panasonic Corporation

patents

4. 3 out of 22,006

Honda Motor Co., Ltd.

patents

5. 3 out of 254

Panasonic Automotive Systems Co., Ltd.

patents

6. 2 out of 554

Panasonic Intellectual Property Managment Co., Ltd.

patents

7. 1 out of 133

Panasonic Automotive Systems Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1993-2026

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Areas of Expertise:

Head-Up Display

Optical System

Imaging Device

Display Device

Fresnel Lens

Video Display

Control Method

Microlens Array

Projection Optical System

Mobile Body

Virtual Image

Antireflection Structure

58 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12645083 - Optical system and image display device (2026-06-02),

2. 12554132 - Head-up display and moving body with head-up display mounted thereon (2026-02-17),

3. 12554057 - Optical system and image display device (2026-02-17),

4. 12436388 - Head-up display and moving body with head-up display mounted thereon (2025-10-07),

5. 12304309 - Imaging and display system (2025-05-20),

6. 12196959 - Head-up display and moving body with head-up display mounted thereon (2025-01-14),

7. 12085713 - Head-up display and moving body with head-up display mounted thereon (2024-09-10),

8. 12055713 - Head-up display system (2024-08-06),

9. 11852809 - Head-up display and moving body with head-up display mounted thereon (2023-12-26),

10. 11789260 - Head-up display and mobile body equipped with head-up display and projection optical system (2023-10-17),

11. 11703683 - Head-up display and mobile body equipped with head-up display (2023-07-18),

12. 11604360 - Head-up display (2023-03-14),

13. 11579445 - Head-up display and moving body with head-up display mounted thereon (2023-02-14),

14. 11428928 - Head-up display and mobile body equipped with head-up display (2022-08-30),

15. 11415800 - Head-up display (2022-08-16),

Title: Hiroaki Okayama - Innovative Inventor from Nara, Japan

Introduction: Hiroaki Okayama is a renowned inventor hailing from Nara, Japan, known for his groundbreaking contributions to various fields of technology and science.

Latest Patents: Hiroaki Okayama holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his continuous commitment to innovation.

Career Highlights: With a career spanning over two decades, Hiroaki Okayama has worked with leading research institutions and universities to develop cutting-edge technologies that have revolutionized the industry.

Collaborations: Throughout his career, Hiroaki Okayama has collaborated with top companies and fellow inventors to bring his ideas to life, fostering a culture of creativity and excellence in the field of invention.

Conclusion: Hiroaki Okayama's passion for innovation and his relentless pursuit of technological advancement have solidified his position as a visionary inventor, inspiring the next generation of inventors to push the boundaries of what is possible.