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For the Inventor, By the Inventor

Hamamatsu, Japan

Masayuki Takamura

This inventor holds 15 USPTO granted patents. Top assignees: Nippon Gakki Seizo Kabushiki Kaisha, Yamaha Corporation. Active years: 1978-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Takamura. Retrieved from https://idiyas.com/inventor/masayuki-takamura

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

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 7

Forward Citations = 114(Granted Patents)


Location History:

  • Hamamatsu, JA (1978)
  • Shizuoka, JP (1984 - 1989)
  • Hamamatsu, JP (1980 - 1990)

Company Filing History:

goldMedal13 out of 841 
 
Nippon Gakki Seizo Kabushiki Kaisha
 patents
silverMedal2 out of 5,500 
 
Yamaha Corporation
 patents

Years Active: 1978-1990

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15 patents (USPTO):Explore Patents
1. 4894097 - Rare earth type magnet and a method for producing the same (1990-01-16),
2. 4884623 - Method for producing a gap spacer for magnetic heads (1989-12-05),
3. 4777098 - Clad material for ornamental applications and a process for producing (1988-10-11),
4. 4494833 - Eyeglass-frame (1985-01-22),
5. 4494832 - Eyeglass-frame (1985-01-22),
6. 4472035 - Eyeglass-frame (1984-09-18),
7. 4450210 - Clad material (1984-05-22),
8. 4431604 - Process for producing hard magnetic material (1984-02-14),
9. 4427746 - Ti-base material for eyeglass-frames and a method for producing same (1984-01-24),
10. 4383856 - Method for manufacturing multilayer head core (1983-05-17),
11. 4336066 - Method for manufacturing components for magnetic heads of increased (1982-06-22),
12. 4242711 - Multilayer magnetic head core (1980-12-30),
13. 4186586 - Billet and process for producing a tubular body by forced plastic (1980-02-05),
14. 4090873 - Process for producing clad metals (1978-05-23),
15. 4087893 - Process for producing a heat pipe (1978-05-09),

Title: Masayuki Takamura: Innovator in Magnetic Technologies

Introduction

Masayuki Takamura is a prominent inventor based in Hamamatsu, Japan. He has made significant contributions to the field of magnetic technologies, holding a total of 15 patents. His work has been instrumental in advancing the production and application of rare earth magnets and magnetic components.

Latest Patents

Takamura's latest patents include a rare earth type magnet and a method for producing the same. In the production of this magnet, the addition of Nd to an Fe-Gd-metalloid base containing two or more of B, Si, and P, combined with the solidification of molten alloy through abrupt cooling, ensures a large coercive force and high susceptibility of the product. Another notable patent is for a method of producing a gap spacer for magnetic heads used in electric and electronic appliances. This method involves the accumulation of a non-magnetic material that is insoluble to acids or alkalis on a thin base that is soluble to these solvents. The use of a proper mask as a substitute for the conventional rolling process allows for highly precise thickness uniformity of the product.

Career Highlights

Throughout his career, Takamura has worked with notable companies such as Nippon Gakki Seizo Kabushiki Kaisha and Yamaha Corporation. His innovative approaches have led to advancements in the manufacturing processes of magnetic materials.

Collaborations

Some of his coworkers include Kazuo Kurahashi and Takeo Sata. Their collaborative efforts have contributed to the success of various projects in the field of magnetic technologies.

Conclusion

Masayuki Takamura's contributions to the field of magnetic technologies through his patents and collaborations highlight his role as a key innovator. His work continues to influence advancements in the industry.

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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