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For the Inventor, By the Inventor

Yokohama, Japan

Kunio Toshimitsu

This inventor holds 6 USPTO granted patents. Top assignee: Nikon Corporation. Active years: 1992-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunio Toshimitsu. Retrieved from https://idiyas.com/inventor/kunio-toshimitsu

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 6

Forward Citations = 84(Granted Patents)


Company Filing History:

goldMedal6 out of 8,994 
 
Nikon Corporation
 patents

Years Active: 1992-2002

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6 patents (USPTO):Explore Patents
1. 6479807 - Microscope (2002-11-12),
2. 6473228 - Microscope (2002-10-29),
3. 6259473 - Section image obtaining apparatus and method of obtaining section image (2001-07-10),
4. 6133561 - Electric revolver and electric microscope (2000-10-17),
5. 5144478 - Microscope including first and second stages in conjugate planes (1992-09-01),
6. 5121655 - Coaxial coarse and fine adjusting device (1992-06-16),

Title: Kunio Toshimitsu: Innovator in Microscope Technology

Introduction

Kunio Toshimitsu is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of microscopy, holding a total of 6 patents. His innovative designs have advanced the capabilities of microscopes, making them more versatile and effective for various applications.

Latest Patents

One of Toshimitsu's latest patents involves a microscope that can quickly switch between different observation methods, such as phase contrast and bright field observation. This microscope features a condenser lens for condensing illumination light, a diaphragm with a variable aperture area, and a slider with two aperture portions. The design includes control mechanisms that allow for precise adjustments to the aperture area, enhancing the observation experience.

Another notable patent addresses the issue of spherical aberration in optical images of transparent living specimens. This invention includes a correction optical system that adjusts the spherical aberration correction amount during imaging. By selecting images with the least spherical aberration based on contrast variations, the system ensures optimal imaging quality.

Career Highlights

Kunio Toshimitsu is currently employed at Nikon Corporation, a leading company in optical and imaging technology. His work at Nikon has allowed him to focus on developing advanced microscopy solutions that cater to the needs of researchers and scientists.

Collaborations

Throughout his career, Toshimitsu has collaborated with notable colleagues, including Chikaya Iko and Masahiko Otomo. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Kunio Toshimitsu's contributions to microscopy technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of optical systems and a commitment to improving scientific observation methods. His work continues to influence the field and inspire future advancements in microscopy.

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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