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For the Inventor, By the Inventor

Hitachi, Japan

Hironori Kodama

This inventor holds 9 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1988-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hironori Kodama. Retrieved from https://idiyas.com/inventor/hironori-kodama

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

USPTO Granted Patents = 9

% Patents Active = 77.8

Average Co-Inventor Count = 4.4

ph-index = 8

Forward Citations = 159(Granted Patents)


Location History:

  • Hitachi, JP (1988 - 2004)
  • Chiyoda-ku, JP (2006)

Company Filing History:

goldMedal9 out of 42,740 
 
Hitachi, Ltd.
 patents

Years Active: 1988-2006

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9 patents (USPTO):Explore Patents
1. 7075201 - Multi-phase alternating-current rotational electric machine (2006-07-11),
2. 6686658 - Semiconductor device, including an arrangement to provide a uniform press contact and converter using same (2004-02-03),
3. 6495924 - Semiconductor device, including an arrangement to provide a uniform press contact and converter using same (2002-12-17),
4. 6452261 - Flat semiconductor device and power converter employing the same (2002-09-17),
5. 5277723 - Method for producing multilayer ceramic body with convex side faces (1994-01-11),
6. 5132257 - Composite ceramic sintered body and process for production thereof (1992-07-21),
7. 5045922 - Installation structure of integrated circuit devices (1991-09-03),
8. 4965660 - Integrated circuit package having heat sink bonded with resinous adhesive (1990-10-23),
9. 4729972 - High toughness ceramics and process for the preparation thereof (1988-03-08),

Title: Hironori Kodama: Innovator in Electric Machine Technology

Introduction

Hironori Kodama is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of advanced electric machines. With a total of 9 patents to his name, Kodama's work has had a lasting impact on the industry.

Latest Patents

Kodama's latest patents include a multi-phase alternating-current rotational electric machine. This innovative machine features semiconductor switching devices that are electrically insulated from heat sinks, which are grounded to the housing and thermally separated in each phase. Another notable patent is for a semiconductor device that includes an arrangement to provide a uniform press contact and a converter using the same. This device utilizes a metallic body with macroscopic vacancies arranged between the main electrode of the semiconductor device and the main electrode plate, enhancing its efficiency.

Career Highlights

Throughout his career, Hironori Kodama has been associated with Hitachi, Ltd., where he has played a crucial role in advancing electric machine technology. His expertise and innovative approach have led to the development of cutting-edge solutions that address modern engineering challenges.

Collaborations

Kodama has collaborated with several talented individuals in his field, including Satoru Ogihara and Hirokazu Inoue. These collaborations have fostered a creative environment that has resulted in numerous advancements in electric machine technology.

Conclusion

Hironori Kodama's contributions to the field of electrical engineering are noteworthy. His innovative patents and collaborations have significantly advanced the technology of electric machines. His work continues to inspire future innovations 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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