logo

For the Inventor, By the Inventor

Tokyo, Japan

Tatsuru Kanamori

This inventor holds 7 USPTO granted patents. Top assignee: Olympus Optical Company, Ltd.. Active years: 1993-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuru Kanamori. Retrieved from https://idiyas.com/inventor/tatsuru-kanamori

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 5

Forward Citations = 60(Granted Patents)


Location History:

  • Hachiouji, JP (1993)
  • Hannou, JP (1996)
  • Hanno, JP (1996 - 1997)
  • Tokyo, JP (1993 - 1998)

Company Filing History:

goldMedal7 out of 5,729 
 
Olympus Optical Company, Ltd.
 patents

Years Active: 1993-1998

Loading Chart...
7 patents (USPTO):Explore Patents
1. 5764421 - Zoom lens system having minimal aberration fluctuation at short object (1998-06-09),
2. 5675440 - Photographic lens (1997-10-07),
3. 5581400 - Finder optical system with low-hygroscopic organic material (1996-12-03),
4. 5570229 - Real image mode variable magnification finder optical system (1996-10-29),
5. 5325235 - Compact zoom lens system (1994-06-28),
6. 5206675 - Real image mode finder optical system (1993-04-27),
7. 5184252 - Finder optical system (1993-02-02),

Title: Innovations of Tatsuru Kanamori in Optical Technology

Introduction

Tatsuru Kanamori is a prominent inventor based in Tokyo, Japan, known for his significant contributions to optical technology. With a total of 7 patents to his name, Kanamori has developed innovative solutions that enhance the performance and stability of optical systems.

Latest Patents

One of Kanamori's latest patents is a zoom lens system designed to minimize aberration fluctuation at short object distances. This system incorporates three lens units: a negative lens unit, a positive lens unit, and another negative lens unit. By introducing a floating system into the rear focusing mechanism, the design stabilizes optical performance during focusing at short distances. The zoom lens system effectively transitions from wide to telephoto by adjusting the spacing between adjacent lens units. Another notable invention is a photographic lens that utilizes low-hygroscopicity resin lens components. This lens is compact and maintains stable optical properties despite changes in atmospheric humidity. It can be configured as a single-focus or varifocal length lens, incorporating multiple lens components, including a positive meniscus lens and a double-concave lens.

Career Highlights

Kanamori is currently associated with Olympus Optical Company, Ltd., where he continues to innovate in the field of optical technology. His work has significantly impacted the design and functionality of photographic and zoom lenses, making them more efficient and reliable.

Collaborations

Throughout his career, Kanamori has collaborated with notable colleagues, including Yuji Miyauchi and Masaru Takashima. These partnerships have fostered a creative environment that has led to groundbreaking advancements in optical systems.

Conclusion

Tatsuru Kanamori's contributions to optical technology through his innovative patents have established him as a key figure in the industry. His work continues to influence the development of advanced optical systems, ensuring high performance and stability in various applications.

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]
Loading…