Kazunori Igarashi

This inventor holds 8 USPTO granted patents and 5 published patent applications and 1 EPO patent. Top assignees: Mitsubishi Materials Corporation, Diamet Corporation, Honda Motor Co., Ltd.. Active years: 1996-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazunori Igarashi. Retrieved from https://idiyas.com/inventor/kazunori-igarashi

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

USPTO Granted Patents = 8 (Patent Applications = 5)

% Patents Active = 37.5

EPO Patents = 1 (Patent Applications = 4)

Average Co-Inventor Count = 3.3

ph-index = 2

Forward Citations = 11(Granted Patents)

Location History:

Omiya, JP (1996)
Niigata, JP (2009)
Saitama, JP (2008 - 2010)
Kitamoto, JP (2017)
Naka, JP (2016 - 2019)
Hitachinaka, JP (2021)

Company Filing History:

6 out of 1,556

Mitsubishi Materials Corporation

Honda Motor Co., Ltd.

where one patent can have more than one assignee

Years Active: 1996-2021

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11183321 - Powder magnetic core with silica-based insulating film, method of producing the same, and electromagnetic circuit component (2021-11-23),

2. 10351946 - Sputtering target and method for producing same (2019-07-16),

3. 9773597 - Composite soft magnetic material having low magnetic strain and high magnetic flux density, method for producing same, and electromagnetic circuit component (2017-09-26),

4. 9228091 - Ferrite thin film-forming composition material, method of forming ferrite thin film, and ferrite thin film formed using the same (2016-01-05),

5. 7789077 - Crankcase of internal combustion engine (2010-09-07),

6. 7575645 - Fe-Ni-Mo soft magnetic flaky powder and magnetic composite material containing soft magnetic powder (2009-08-18),

7. 7371271 - Composite soft magnetic sintered material having high density and high magnetic permeability and method for preparation thereof (2008-05-13),

8. 5543070 - Magnetic recording powder having low curie temperature and high (1996-08-06),

Title: Kazunori Igarashi: Innovator in Magnetic Materials

Introduction

Kazunori Igarashi is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of magnetic materials, holding a total of 8 patents. His work focuses on innovative solutions that enhance the performance and efficiency of electromagnetic components.

Latest Patents

Igarashi's latest patents include a powder magnetic core with a silica-based insulating film and a sputtering target with a reduced oxygen content. The powder magnetic core invention features a structure where Fe-based soft magnetic powder particles are coated with a silica-based insulating film. This design allows for improved performance by containing Fe diffused from the powder particles within a grain boundary layer. The sputtering target patent describes a Cu-Ga sintered compact that minimizes abnormal discharges, showcasing a specific composition that enhances its functionality.

Career Highlights

Throughout his career, Kazunori Igarashi has worked with notable companies such as Mitsubishi Materials Corporation and Diamet Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in magnetic materials.

Collaborations

Igarashi has collaborated with talented individuals in his field, including Kouichi Ishiyama and Ryoji Nakayama. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Kazunori Igarashi's contributions to the field of magnetic materials through his patents and collaborations highlight his role as an influential inventor. His innovative work continues to impact the industry positively.

Profile summary based on public USPTO records.