Company Filing History:

24 out of 58,131

Sony Corporation

patents

4 out of 10,264

Sumitomo Electric Industries, Limited

patents

Years Active: 1982-2024

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28 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12012349 - Glass fine particle deposit and method for manufacturing glass preform (2024-06-18),

2. 11378737 - Optical fiber preform, method for manufacturing optical fiber preform, and method for setting striae pitch of optical fiber preform (2022-07-05),

3. 9475722 - Optical fiber producing method and apparatus and optical fiber (2016-10-25),

4. 9120694 - Glass preform heating furnace (2015-09-01),

5. 8410989 - Antenna structure including radiating conductor and magnetic material having dielectric property (2013-04-02),

6. 5875081 - Magnetic head (1999-02-23),

7. 5867887 - Manufacturing method for magnetic head (1999-02-09),

8. 5852536 - Magnetic head (1998-12-22),

9. 5737154 - Rotary magnetic head apparatus with circuitry for driving head and (1998-04-07),

10. 5585983 - Magnetic head (1996-12-17),

11. 5515222 - Magnetic head core arrangement having medium facing surface sides formed (1996-05-07),

12. 5475551 - Magnetic head (1995-12-12),

13. 5365391 - Magnetic reproducing head having a distributed-constant circuit type (1994-11-15),

14. 5331491 - High-density magnetic recording and reproducing head (1994-07-19),

15. 5266418 - Magnetic recording medium (1993-11-30),

Title: Innovations and Patents of Masatoshi Hayakawa

Introduction

Masatoshi Hayakawa, based in Kanagawa, Japan, is a distinguished inventor known for his contributions to the field of antenna and magnetic head technologies. With an impressive portfolio of 24 patents, Hayakawa's innovative designs have made significant impacts in the realm of electromagnetic wave reception and recording technologies.

Latest Patents

Hayakawa's latest inventions include an advanced antenna structure designed for optimal electromagnetic wave reception. This antenna consists of a radiating conductor and a ground conductor that resonate at a specified frequency, enhanced by a wavelength-shortening section which employs a magnetic body possessing both dielectric and magnetic properties to shift the resonance point frequency into a desired bandwidth. Additionally, he has developed a unique magnetic head that features a pair of integrally bonded magnetic core halves composed of single-crystal and polycrystal ferrite pieces. This design minimizes sliding noise and enhances electromagnetic conversion characteristics, thus improving the durability and performance of magnetic recording media.

Career Highlights

Masatoshi Hayakawa's career is marked by his association with Sony Corporation, a leading technology company renowned for innovation. His role at Sony has allowed him to pioneer various advancements in antenna and magnetic head technologies, underlining his status as a key inventor within the organization.

Collaborations

Throughout his career, Hayakawa has worked alongside notable colleagues such as Koichi Aso and Kazuhiko Hayashi. These collaborations have further fostered innovation and enriched the development of cutting-edge technologies in their respective fields.

Conclusion

Masatoshi Hayakawa exemplifies the spirit of innovation through his extensive patent portfolio and significant contributions to antenna and magnetic head technologies. His work not only advances the technical frontiers of electromagnetic wave reception and recording but also showcases the vital role of collaboration in fostering innovation within the high-tech industry.

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