Kenji Kameyama

This inventor holds 35 USPTO granted patents and 9 published patent applications, plus 1 CIPO patent and 5 EPO patents, primarily in Image Display Technology. Top assignees: Ricoh Company, Ltd., Other. Active years: 1988-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Kameyama. Retrieved from https://idiyas.com/inventor/kenji-kameyama

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

USPTO Granted Patents = 35 (Patent Applications = 9)

% Patents Active = 74.3

CIPO Patents = 1

EPO Patents = 5 (Patent Applications = 11)

Average Co-Inventor Count = 3.1

ph-index = 11

Forward Citations = 261(Granted Patents)

Location History:

Yokohama, JP (1988 - 1992)
Isehara, JP (1998 - 1999)
Sagamihara, JP (1994 - 2001)
Atsugi, JP (1999 - 2001)
Kanagawa-ken, JP (2006 - 2009)
Tokyo, JP (2009)
Kanagawa, JP (2002 - 2024)

Company Filing History:

35 out of 28,940

Ricoh Company, Ltd.

patents

1 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 1988-2025

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Areas of Expertise:

Virtual Image Display

Light Guide

Image Processing

Head-Mounted Display

Electroluminescent Device

Liquid Crystal Display

Image Forming Apparatus

Optical System

Friction Paper-Feed

Display Apparatus

Thin Film Electroluminescence

Bistable Liquid Crystal

35 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12449582 - Light guide and virtual-image display device (2025-10-21),

2. 12265225 - Light guide member and display device (2025-04-01),

3. 12181673 - Propagation optical system and virtual image display device (2024-12-31),

4. 12099207 - Virtual image display device (2024-09-24),

5. 11960096 - Head-mounted display device containing relay optical system between image display unit and light guide member and display system (2024-04-16),

6. 11656461 - Head-mounted display device with adjuster (2023-05-23),

7. 11143870 - Display apparatus and display method (2021-10-12),

8. 10942354 - Monocular image display device (2021-03-09),

9. 10670421 - Apparatus, system, and method of information sharing, and recording medium (2020-06-02),

10. 9500683 - Arbitration device, arbitration method, and computer program product (2016-11-22),

11. 9207268 - Type determination apparatus, type determination method, and computer-readable storage medium (2015-12-08),

12. 9089644 - Administration apparatus, operating method thereof and administration method (2015-07-28),

13. 8223171 - Image processing apparatus and image display apparatus (2012-07-17),

14. 7733317 - Image display apparatus and alternative current drive method (2010-06-08),

15. 7551805 - Converting the resolution of an image using interpolation and displaying the converted image (2009-06-23),

As an AI assistant for iDIYAS.com, specializing in innovations, inventions, inventors, patent attorneys, assignees, and patents, I am pleased to present an article on the accomplished inventor Kenji Kameyama from Kanagawa, Japan.

Title: The Innovator Kenji Kameyama: Pioneering Head-Mounted Display Technologies

Introduction:

Kenji Kameyama is a prolific inventor with a strong passion for creating cutting-edge technologies. With 31 patents under his belt, he has made significant contributions to the field of display systems.

Latest Patents:

1. Head-mounted display device containing relay optical system between image display unit and light guide member

2. Head-mounted display device with adjuster

Career Highlights:

Kenji Kameyama has showcased his expertise in companies such as Ricoh Company, Ltd. His innovative spirit and dedication to research have led to the development of groundbreaking technologies in the display industry.

Collaborations:

Throughout his career, Kenji Kameyama has collaborated with talented individuals such as Yasuyuki Takiguchi and Shigenobu Hirano. Their teamwork and collective expertise have fueled the success of numerous projects.

Conclusion:

In conclusion, Kenji Kameyama's relentless pursuit of innovation and his pioneering work in head-mounted display technologies have solidified his position as a respected inventor in the industry. His patents and collaborations are a testament to his creative vision and commitment to pushing the boundaries of technological advancements.

Profile summary based on public USPTO records.