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For the Inventor, By the Inventor

Otsu, Japan

Takashi Sakauchi

This inventor holds 6 USPTO granted patents. Top assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha. Active years: 1976-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Sakauchi. Retrieved from https://idiyas.com/inventor/takashi-sakauchi

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 5

Forward Citations = 49(Granted Patents)


Location History:

  • Kobe, JA (1976 - 1977)
  • Ohtsu, JP (1984 - 1991)

Company Filing History:

goldMedal6 out of 698 
 
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
 patents

Years Active: 1976-1991

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6 patents (USPTO):Explore Patents
1. 5062981 - Magnet and method for manufacturing the same (1991-11-05),
2. 4879055 - Soft magnetic material composition and molding process therefor (1989-11-07),
3. 4702852 - Multipolarly magnetized magnet (1987-10-27),
4. 4490498 - Resinous composition having an increased flame retardance (1984-12-25),
5. 4035447 - Fire resistant polymer composition (1977-07-12),
6. 3962181 - Process for preparation of polyphenylene oxides (1976-06-08),

Title: The Innovations of Takashi Sakauchi

Introduction

Takashi Sakauchi is a prominent inventor based in Ohtsu, Japan. He has made significant contributions to the field of magnet technology, holding a total of 6 patents. His work focuses on improving the performance and durability of magnetic materials.

Latest Patents

One of Sakauchi's latest patents is for a magnet and method for manufacturing the same. This invention involves a magnet composed mainly of magnetic powders expressed by R-T-B, where R is Nd or partially replaced with rare earth elements, and T is Fe or partially replaced with transition metals. The magnet exhibits markedly improved resistance to deterioration caused by oxidation and corrosion. Another notable patent is for a soft magnetic material composition and the molding process associated with it.

Career Highlights

Sakauchi is currently employed at Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, where he continues to innovate in the field of magnetic materials. His work has been instrumental in advancing the technology used in various applications.

Collaborations

Throughout his career, Sakauchi has collaborated with notable colleagues, including Satoshi Tonoki and Akiyoshi Somemiya. These partnerships have contributed to the success of his projects and the development of new technologies.

Conclusion

Takashi Sakauchi's contributions to magnet technology and his innovative patents highlight his role as a leading inventor in his field. His work continues to influence advancements in magnetic materials and their applications.

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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