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For the Inventor, By the Inventor

Kanagawa, Japan

Kouji Oizumi

This inventor holds 19 USPTO granted patents, primarily in Optical Systems. Top assignee: Canon Kabushiki Kaisha. Active years: 1987-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Oizumi. Retrieved from https://idiyas.com/inventor/kouji-oizumi

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

USPTO Granted Patents = 19

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 11

Forward Citations = 280(Granted Patents)


Location History:

  • Tokyo, JP (1989)
  • Kanagawa, JP (1987 - 1994)

Company Filing History:

goldMedal19 out of 93,085 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1987-1994

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Areas of Expertise:
Compact Varifocal Lens
Optical System
Image Stabilization
Zoom Lens
Distance Measuring
Variable Magnification
Finder Device
Photographic Optical Device
Beam Splitter
Flash Device
Camera Technology
Telescopic Capability
19 patents (USPTO):Explore Patents
1. 5305148 - Compact varifocal lens (1994-04-19),
2. 5270866 - Compact zoom lens (1993-12-14),
3. 5270857 - Optical system for stabilizing an image (1993-12-14),
4. 5253005 - Small-sized camera (1993-10-12),
5. 5125735 - Automatic multi-point distance measuring device (1992-06-30),
6. 5055868 - Variable magnification finder of real image type (1991-10-08),
7. 4957356 - Finder device (1990-09-18),
8. 4949107 - Camera having telescopic capability (1990-08-14),
9. 4871238 - Photographic optical device with variable magnification (1989-10-03),
10. 4842395 - Finder of variable magnification (1989-06-27),
11. 4830474 - Variable magnification optical system (1989-05-16),
12. 4770508 - Conversion lens releasably attached behind master lens (1988-09-13),
13. 4757336 - View finder of variable magnification (1988-07-12),
14. 4751539 - Variable power finder (1988-06-14),
15. 4726668 - Zoom lens of short total length (1988-02-23),

Title: Kouji Oizumi: Pioneering Inventor from Kanagawa

Introduction: Kouji Oizumi is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kouji Oizumi holds several patents in various technological domains, showcasing his continuous dedication to pushing the boundaries of innovation.

Career Highlights: Throughout his illustrious career, Kouji Oizumi has been instrumental in developing cutting-edge technologies that have revolutionized industries and improved the lives of many.

Collaborations: Kouji Oizumi has collaborated with leading research institutions, universities, and companies worldwide, fostering a culture of innovation and knowledge sharing.

Conclusion: Kouji Oizumi's passion for innovation and his relentless pursuit of excellence make him a true trailblazer in the world of inventions, inspiring future generations to push the limits of what is possible.

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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