Nagano, Japan

Katsushige Yanagisawa

This inventor holds 22 USPTO granted patents, primarily in Optical Devices. Top assignees: Nidec Sankyo Corporation, Alps Electric Co., Ltd., Kabushiki Kaisha Sankyo Seiki Seisakusho. Active years: 2002-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsushige Yanagisawa. Retrieved from https://idiyas.com/inventor/katsushige-yanagisawa

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 4.1

ph-index = 6

Forward Citations = 150(Granted Patents)


Location History:

  • Simosuwa-machi, JP (2002)
  • Nagano, JP (2003 - 2017)

Company Filing History:


Years Active: 2002-2017

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Areas of Expertise:
Lens Drive Device
Optical Unit
Shake Correction
Photographic Optical Device
Optical Head Device
Optical Pick-Up Device
Flexible Circuit Board
Manufacturing Method
Radiating Direction Adjustment
Transmission Efficiencies
Optical Apparatus
22 patents (USPTO):Explore Patents

Title: Katsushige Yanagisawa: A Pioneer in Lens Drive Technology

Introduction

Katsushige Yanagisawa, an innovative inventor based in Nagano, Japan, has made significant contributions to the field of lens drive devices. With a remarkable portfolio of 22 patents, Yanagisawa's work is characterized by its technological advancements and precision engineering.

Latest Patents

Yanagisawa's latest patents focus on lens drive devices designed to enhance optical performance. One notable invention features a lens drive device equipped with a first supporting body that holds the lens, enabling movement along the optical axis. This device comprises a second supporting body that holds the first body, along with a fixed body that secures the second supporting body, allowing it to move orthogonally to the optical axis. Additionally, the device includes a first, second, and third drive mechanism for precise movements in multiple directions, along with elastic members that provide support through deformable materials. Another patent further refines this concept, incorporating various drive mechanisms and elastic members to enhance the effectiveness and adaptability of the lens drive systems.

Career Highlights

Throughout his career, Katsushige Yanagisawa has been associated with reputable organizations, including Nidec Sankyo Corporation. His work has consistently pushed the boundaries of optical technology, rendering solutions that cater to evolving industry needs. His dedication to innovation is evident in the breadth and depth of his patented inventions.

Collaborations

Yanagisawa has collaborated with notable professionals in his field, such as Hisahiro Ishihara and Shinji Minamisawa. These collaborations have fostered an environment of creativity and advancement, allowing them to develop groundbreaking solutions in lens drive technology together.

Conclusion

Katsushige Yanagisawa stands out as a visionary inventor, exemplifying what it means to innovate in the realm of optical devices. His extensive portfolio of patents not only showcases his expertise but also contributes to the ongoing advancement of lens drive technology. As the field continues to evolve, Yanagisawa's work will undoubtedly inspire future generations of inventors.

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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