Kawasaki, Japan

Kazutoshi Usui

This inventor holds 19 USPTO granted patents and 3 published patent applications and 2 EPO patents. Top assignee: Nikon Corporation. Active years: 1997-2026.

USPTO Granted Patents = 19 

% Patents Active = 63.2

 

Average Co-Inventor Count = 1.4

ph-index = 9

Forward Citations = 317(Granted Patents)


Company Filing History:


Years Active: 1997-2026

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19 patents (USPTO):Explore Patents

Title: Kazutoshi Usui: Innovator in Vibration Reduction Technology

Introduction

Kazutoshi Usui is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of imaging technology, particularly in the development of devices that enhance image stability. With a total of 19 patents to his name, Usui's work has had a profound impact on the photography industry.

Latest Patents

Among his latest innovations are two notable patents. The first is a shooting lens with a vibration reducing function and a camera system designed for the same. This invention features a vibration reduction mechanism that effectively minimizes the vibrations of a subject image. It includes a vibration detecting part that outputs a vibration detection signal, a reference signal generating part that estimates a reference signal, and a target drive position calculating part that determines the necessary adjustments to the vibration reduction mechanism. The driving part then controls the mechanism to follow the calculated target position, ensuring improved performance through accurate reference signal correction based on motion signals from captured images.

The second patent is a motion compensation device and photographic device. This device comprises a detector that identifies vibrations in the imaging device. A controller adjusts the compensation amount for the detected vibrations, increasing the compensation as the shooting time progresses. This innovation enhances the quality of images captured under various conditions.

Career Highlights

Kazutoshi Usui is currently employed at Nikon Corporation, a leading company in the imaging and optics industry. His work at Nikon has allowed him to push the boundaries of camera technology, particularly in vibration reduction, which is crucial for achieving high-quality images.

Collaborations

Throughout his career, Usui has collaborated with talented individuals such as Hiroyuki Tomita and Tadao Kai. These collaborations have fostered an environment of innovation and creativity, leading to advancements in imaging technology.

Conclusion

Kazutoshi Usui's contributions to the field of imaging technology, particularly through his patents on vibration reduction mechanisms, have significantly enhanced the capabilities of modern cameras. His work continues to influence the industry, making photography more accessible and effective for users worldwide.

Profile summary based on public USPTO records.
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