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For the Inventor, By the Inventor

Tokyo, Japan

Katsutarou Ichihara

This inventor holds 10 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1987-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsutarou Ichihara. Retrieved from https://idiyas.com/inventor/katsutarou-ichihara

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 6

Forward Citations = 76(Granted Patents)


Location History:

  • Kawagoe, JP (1987)
  • Tokyo, JP (1988 - 1993)

Company Filing History:

goldMedal10 out of 53,250 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 1987-1993

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10 patents (USPTO):Explore Patents
1. 5187694 - Magneto-optical recording medium comprising recording layer and thermal (1993-02-16),
2. 5175714 - Method of magneto-optically recording/erasing information and (1992-12-29),
3. 5105400 - Method of magneto-optically recording and erasing information onto a (1992-04-14),
4. 4954841 - Optical recording medium and method of manufacturing the same (1990-09-04),
5. 4922462 - Reversible memory structure for optical reading and writing and which is (1990-05-01),
6. 4832980 - Magneto-optical recording medium and manufacturing thereof (1989-05-23),
7. 4782477 - Optical recording medium with fluorine resin adhesive (1988-11-01),
8. 4701880 - Optical system for recording/reproducing information by means of a (1987-10-20),
9. 4666759 - Data recording medium (1987-05-19),
10. 4634635 - Black ornament (1987-01-06),

Title: Katsutarou Ichihara: Innovator in Magneto-Optical Technology

Introduction

Katsutarou Ichihara is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of magneto-optical technology, holding a total of 10 patents. His work focuses on innovative methods for recording and erasing information using magneto-optical media.

Latest Patents

Ichihara's latest patents include a magneto-optical recording medium that comprises a recording layer and a thermal bias layer. This technology allows for the recording of information by utilizing a laser beam to heat specific areas of the medium. The recording layer's magnetization can be reversed by applying a bias magnetic field, enabling efficient data storage and retrieval. Another notable patent involves a method of magneto-optically recording and erasing information, which utilizes laser beam pulses to manipulate the magnetization of the recording layer.

Career Highlights

Katsutarou Ichihara is associated with Kabushiki Kaisha Toshiba, a leading company in technology and electronics. His work has been instrumental in advancing the capabilities of magneto-optical storage solutions, making them more efficient and reliable for various applications.

Collaborations

Ichihara has collaborated with notable coworkers such as Nobuaki Yasuda and Yoshiaki Terashima. Their combined expertise has contributed to the development of innovative technologies in the field of magneto-optical recording.

Conclusion

Katsutarou Ichihara's contributions to magneto-optical technology have established him as a key figure in the industry. His innovative patents and collaborations continue to influence advancements in data storage solutions.

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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