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For the Inventor, By the Inventor

Yokohama, Japan

Yutaka Kohtani

This inventor holds 9 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1979-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yutaka Kohtani. Retrieved from https://idiyas.com/inventor/yutaka-kohtani

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 5

Forward Citations = 70(Granted Patents)


Location History:

  • Kanagawa, JP (1986)
  • Yokohama, JP (1979 - 1997)

Company Filing History:

goldMedal9 out of 92,994 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1979-1997

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9 patents (USPTO):Explore Patents
1. 5608457 - Video camera apparatus (1997-03-04),
2. 4956726 - Information signal reproducing apparatus in which control signal (1990-09-11),
3. 4591919 - Automatic focus control system and camera using same (1986-05-27),
4. 4396955 - Muting device (1983-08-02),
5. 4311369 - Sound motion picture camera (1982-01-19),
6. 4274718 - Sound motion picture camera (1981-06-23),
7. 4208108 - Sound motion picture projector (1980-06-17),
8. 4146312 - Sound motion picture camera and sound motion picture system (1979-03-27),
9. 4134079 - Automatic gain control circuit for sound motion picture camera (1979-01-09),

Title: Yutaka Kohtani: Innovator in Video Technology

Introduction

Yutaka Kohtani is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of video technology, holding a total of 9 patents. His innovative work has advanced the capabilities of video camera apparatuses and information signal reproducing systems.

Latest Patents

One of his latest patents is a video camera apparatus that features a camera unit, a detachable lens unit, and a communication circuit. This apparatus allows for the exchange of control information between the camera unit and the lens unit. Notably, it includes a memory that stores version information for control commands, enabling seamless communication between the two units. Another significant patent involves an information signal reproducing apparatus that records control signals on a predetermined track of a recording medium. This technology is designed to control the reproduced level of audio or video signals by utilizing the recorded control signals.

Career Highlights

Yutaka Kohtani has built a successful career at Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work has not only contributed to the company's reputation for innovation but has also enhanced the user experience in video technology.

Collaborations

Throughout his career, Kohtani has collaborated with notable colleagues, including Takashi Amikura and Kiyoshi Takahashi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Yutaka Kohtani's contributions to video technology through his patents and work at Canon Kabushiki Kaisha highlight his role as a key innovator in the field. His advancements continue to influence the way we capture and reproduce video content.

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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