Tokyo, Japan

Toshiyuki Kitazawa

This inventor holds 22 USPTO granted patents, plus 4 CIPO patents, primarily in Camera Technology. Top assignees: Asahi Kogaku Kogyo Kabushiki Kaisha, Asahi Kogaku Kogyo K.k.. Active years: 1985-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyuki Kitazawa. Retrieved from https://idiyas.com/inventor/toshiyuki-kitazawa

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

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 1.7

ph-index = 7

Forward Citations = 203(Granted Patents)


Location History:

  • Shiki, JP (1988)
  • Tokyo, JP (1985 - 1999)
  • Saitama-ken, JP (2001)

Company Filing History:


Years Active: 1985-2001

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Areas of Expertise:
Single-Lens Reflex
Motor-Driven Mechanism
Exposure Control
Zoom Lens
Strobe Integration
Mode Memory Device
Focus Indicating
Mechanical Control
Mirror-Driving Mechanism
Data Display Device
Powered Zoom Lens
Camera Viewfinder
22 patents (USPTO):Explore Patents

Title: **Toshiyuki Kitazawa: Innovator in Camera Technology**

Introduction

Toshiyuki Kitazawa is a prominent inventor based in Tokyo, Japan, recognized for his significant contributions to the field of camera technology. With an impressive portfolio of 22 patents, Kitazawa has played a vital role in advancing innovations in photography, particularly with motor-driven cameras.

Latest Patents

Two of Kitazawa's latest patents showcase his inventive prowess. The first patent is for a **Motor-driven Single-lens Reflex Camera**. This innovative camera design utilizes a single motor to control both the mirror up/down operation and the shutter charge operation, along with the film winding/rewinding process. By employing forward and reverse rotations of the motor, the camera ensures speedy film feeding after exposure without interruptions.

The second patent focuses on a **Camera Having Motor Driven Mechanism**. This camera features a cocking mechanism for the shutter and/or mirror powered by a lithium battery. Notably, the mechanism's operation is intelligently controlled to execute intermittently if completion is not achieved within a set time frame, addressing potential low power issues of the battery.

Career Highlights

Throughout his career, Kitazawa has been affiliated with esteemed companies, including Asahi Kogaku Kogyo K.K. and Asahi Kogaku Kogyo Kabushiki Kaisha. His work at these organizations has been pivotal in refining camera technology and functionality, further solidifying his reputation as an innovator.

Collaborations

Kitazawa has collaborated with notable coworkers such as Satoshi Nakano and Osamu Sato. Their shared expertise and combined efforts have undoubtedly enriched the development of advanced camera technologies and innovations within their field.

Conclusion

Toshiyuki Kitazawa's contributions to the realm of camera technology, particularly through his patents and collaborative efforts, underline his status as a key innovator in the photography industry. His inventive designs not only enhance the functionality of cameras but also create new opportunities for photographers around the globe. With advancements in technology continually evolving, Kitazawa’s work stands as a testament to the impact of innovation in our daily lives.

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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