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For the Inventor, By the Inventor

Yokohama, Japan

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.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Ikemori. Retrieved from https://idiyas.com/inventor/keiji-ikemori

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

USPTO Granted Patents = 64 

% 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:

goldMedal61 out of 93,085 
 
Canon Kabushiki Kaisha
 patents
silverMedal1 out of 2 
 
Nakato Laboratory, Inc.
 patents
bronzeMedal1 out of 58 
 
Nalux Co., Ltd.
 patents
4. 3 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1976-2024

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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):Explore 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.

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]
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