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For the Inventor, By the Inventor

Sagamihara, Japan

Etsuo Yamada

This inventor holds 4 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1990-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Etsuo Yamada. Retrieved from https://idiyas.com/inventor/etsuo-yamada-m0yrngse

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 4

Forward Citations = 47(Granted Patents)


Location History:

  • Sagamihara, JP (1990 - 1992)
  • Tochigi, JP (2006)

Company Filing History:

goldMedal4 out of 92,994 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1990-2006

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4 patents (USPTO):Explore Patents
1. 7110498 - Image reading apparatus and X-ray imaging apparatus (2006-09-19),
2. 5138596 - Optical information recording apparatus including means for delaying (1992-08-11),
3. 4982394 - Optical information recording/reproducing apparatus (1991-01-01),
4. 4967417 - Laser driving device provided with two reference signal sources, and (1990-10-30),

Title: Etsuo Yamada: Innovator in Imaging Technology

Introduction

Etsuo Yamada is a prominent inventor based in Sagamihara, Japan. He has made significant contributions to the field of imaging technology, holding a total of 4 patents. His work primarily focuses on image reading and optical information recording apparatuses.

Latest Patents

Yamada's latest patents include an image reading apparatus and an X-ray imaging apparatus. The image reading apparatus features a DC/DC power supply that powers various components, a photodetector array with two-dimensional photoelectric conversion elements, and a line selector and reading circuit that processes signals from the photodetector array. This innovative design ensures synchronization with a reference clock, enhancing the efficiency of the apparatus. Additionally, his optical information recording apparatus is designed to prevent amplifier saturation, ensuring stable tracking and focusing servo. This apparatus includes devices for inputting modulated signals, converging light beams, detecting positional errors, and adjusting servo gain based on light intensity.

Career Highlights

Etsuo Yamada is associated with Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work at Canon has allowed him to develop cutting-edge technologies that have advanced the field of imaging.

Collaborations

Yamada has collaborated with notable coworkers such as Shigeto Kanda and Hiroto Kitai. Their combined expertise has contributed to the successful development of innovative imaging solutions.

Conclusion

Etsuo Yamada's contributions to imaging technology through his patents and work at Canon Kabushiki Kaisha highlight his role as a key innovator in the field. His inventions continue to influence advancements in imaging systems.

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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