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For the Inventor, By the Inventor

Yokohama, Japan

Norikazu Sawazaki

This inventor holds 12 USPTO granted patents. Top assignees: Tokyo Shibaura Denki Kabushiki Kaisha, Kabushiki Kaisha Toshiba, Nippon Hoso' Kyokai. Active years: 1982-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norikazu Sawazaki. Retrieved from https://idiyas.com/inventor/norikazu-sawazaki

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 9

Forward Citations = 206(Granted Patents)


Location History:

  • Kawasaki, JP (1983)
  • Yokohama, JP (1982 - 1987)

Company Filing History:

goldMedal10 out of 2,916 
 
Tokyo Shibaura Denki Kabushiki Kaisha
 patents
silverMedal2 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
bronzeMedal1 out of 382 
 
Nippon Hoso' Kyokai
 patents
where one patent can have more than one assignee

Years Active: 1982-1987

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12 patents (USPTO):Explore Patents
1. 4677512 - Magnetic reproducing apparatus (1987-06-30),
2. 4635152 - Magnetic resonance-type playback apparatus including a magnetic material (1987-01-06),
3. 4609950 - Magnetic head apparatus with variable inductance (1986-09-02),
4. 4593332 - Magnetic reproduction system utilizing magnetic body as capacitor (1986-06-03),
5. 4592041 - Head for recording an information signal in and reproducing the same (1986-05-27),
6. 4535369 - Magnetic recording and reproducing apparatus (1985-08-13),
7. 4530016 - Magnetic recording and reproducing apparatus (1985-07-16),
8. 4525828 - Optical magnetic recording device (1985-06-25),
9. 4489278 - Electrostatic voltage detecting device (1984-12-18),
10. 4464691 - Magnetic reproducing system (1984-08-07),
11. 4422106 - Magnetic transcription-recording method (1983-12-20),
12. 4340953 - Information recording medium and recording and reproducing system using (1982-07-20),

Title: Norikazu Sawazaki: Innovator in Magnetic Reproducing Technology

Introduction

Norikazu Sawazaki is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of magnetic reproducing technology, holding a total of 12 patents. His innovative work has advanced the capabilities of magnetic recording mediums and playback apparatuses.

Latest Patents

Sawazaki's latest patents include a magnetic reproducing apparatus designed to reproduce signals recorded in the form of perpendicular signal magnetization. This apparatus features a thin-film magnetic material that interacts with a high permeability layer, allowing for enhanced signal detection. Another notable patent is a magnetic resonance-type playback apparatus that utilizes ferromagnetic resonance to develop an anisotropic magnetic field. This technology significantly improves the high frequency characteristics of magnetic materials, enabling more effective signal reproduction.

Career Highlights

Throughout his career, Norikazu Sawazaki has worked with notable companies such as Tokyo Shibaura Denki and Toshiba Corporation. His experience in these organizations has allowed him to refine his expertise in magnetic technologies and contribute to various innovative projects.

Collaborations

Sawazaki has collaborated with esteemed colleagues, including Shu Chiba and Junichi Akiyama. Their joint efforts have further propelled advancements in the field of magnetic recording and playback technologies.

Conclusion

Norikazu Sawazaki's contributions to magnetic reproducing technology have established him as a key figure in the industry. His innovative patents and collaborations continue to influence the development of advanced magnetic recording 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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