Hachioji, Japan

Yasunori Kanazawa

This inventor holds 14 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Maxell, Limited, Hitachi Maxwell, Ltd.. Active years: 1976-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasunori Kanazawa. Retrieved from https://idiyas.com/inventor/yasunori-kanazawa

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 9

Forward Citations = 254(Granted Patents)


Location History:

  • Hachioji, JA (1976)
  • Ibaraki, JP (1984)
  • Hachiouji, JP (1987 - 1988)
  • Hachioji, JP (1980 - 1991)

Company Filing History:


Years Active: 1976-1991

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14 patents (USPTO):Explore Patents

Title: Yasunori Kanazawa: Innovator in Optical Information Technology

Introduction

Yasunori Kanazawa is a prominent inventor based in Hachioji, Japan. He has made significant contributions to the field of optical information technology, holding a total of 14 patents. His innovative work has paved the way for advancements in data recording and reproduction methods.

Latest Patents

One of Kanazawa's latest patents is an optical information recording/reproducing apparatus. This apparatus includes signal recording means for recording a signal on a film. The signal is recorded by raising the temperature of the film with a writing laser beam. A signal reproduction apparatus reproduces the signal by irradiating the film with a reading laser beam. There is an optical system provided in common to both the writing laser beam and the reading laser beam. The signal recorded on the film is reproduced substantially simultaneously with the recording of the signal to allow for confirmation of the signal that has been recorded. Additionally, a modulating circuit is provided for modulating the intensity of the writing laser beam with a frequency of at least twice as high as the maximum frequency of the signal to be recorded. Another notable patent is the shutter assembled disc cartridge, which comprises a disc case formed by a top half and a bottom half, each having a spindle hole and a head insertion hole. This cartridge includes a recording medium rotatably enclosed in the disc case, shutter means for closing and opening the spindle holes and the head insertion holes, and a slide means for moving the shutter means in both lateral directions.

Career Highlights

Throughout his career, Yasunori Kanazawa has worked with notable companies such as Hitachi, Ltd. and Hitachi Maxell, Limited. His experience in these organizations has contributed to his expertise in optical technologies and innovations.

Collaborations

Kanazawa has collaborated with several talented individuals in his field, including Shinichi Abe and Nobuyuki Fujimoto. These collaborations have further enhanced his work and contributions to optical information technology.

Conclusion

Yasunori Kanazawa's innovative spirit and dedication to advancing optical information technology are evident through his numerous patents and career achievements. His work continues to influence the industry and inspire future innovations.

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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