Keiji Ikemori

This inventor holds 64 USPTO granted patents and 1 published patent application, primarily in Optical Systems (CPC class 3504). Top assignees: Canon Kabushiki Kaisha, Nakato Laboratory, Inc., Nalux Co., Ltd.. Active years: 1976-2024.

USPTO Granted Patents = 64 (Patent Applications = 1)

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 14

Forward Citations = 683(Granted Patents)

Forward Citations (Not Self Cited) = 667(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kawasaki, JA (1976)
Kanagawa, JP (1983 - 1994)
Kanagawa-ken, JP (1996)
Yokohama, JP (1978 - 2003)

Company Filing History:

61 out of 92,842

Canon Kabushiki Kaisha

patents

1 out of 2

Nakato Laboratory, Inc.

4. 3 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1976-2024

Loading Chart...

Areas of Expertise:

Imaging Optical System

Anti-Fog Coating

Camera System

Zoom Lens

Varifocal Optical System

Compact Zoom Lens

High Range Zoom Lens

Optical Member

Photographic Apparatus

Magnification Changing Lens

Non-Fogging Antireflection Film

Focusing Method

64 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12174343 - Imaging optical system (2024-12-24),

2. 6506446 - Anti-fog coating material and method of preparing an anti-fog article (2003-01-14),

3. 6327430 - Camera having antifogging film (2001-12-04),

4. 6306932 - Anti-fogging coating material, anti-fogging coating film and anti-fogging article (2001-10-23),

5. 6055376 - Observation optical system and optical apparatus having the same (2000-04-25),

6. 5976680 - Non-fogging antireflection film and optical member, and production (1999-11-02),

7. 5576779 - Camera system (1996-11-19),

8. 5392082 - Photographing apparatus having a trimming photographic mode (1995-02-21),

9. 5319405 - Camera system (1994-06-07),

10. 5305148 - Compact varifocal lens (1994-04-19),

11. 5289317 - Compact zoom lens (1994-02-22),

12. 5270866 - Compact zoom lens (1993-12-14),

13. 5173805 - Focusing method for zoom lens (1992-12-22),

14. 5078481 - Magnification changing lens (1992-01-07),

15. 4865434 - Zoom lens capable of selecting a focal length beyond a standard focal (1989-09-12),

Title: Keiji Ikemori - Pioneering Inventor from Yokohama

Introduction: Keiji Ikemori is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Keiji Ikemori holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Keiji Ikemori has worked with leading research institutions and tech companies, developing cutting-edge solutions that have revolutionized industries worldwide.

Collaborations: Throughout his career, Keiji Ikemori has collaborated with top engineers, scientists, and designers, fostering a culture of innovation and excellence in all his projects. His collaborative efforts have led to the creation of disruptive technologies that have set new industry standards.

Conclusion: Keiji Ikemori's passion for innovation and his relentless pursuit of technological advancement have solidified his reputation as a visionary inventor. His work continues to inspire the next generation of inventors and shape the future of technology.