Katsuhiko Kizawa

This inventor holds 11 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 3 EPO patents. Top assignees: Jtekt Corporation, Koyo Seiko Company, Ltd., Jfe Steel Corporation. Active years: 2003-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiko Kizawa. Retrieved from https://idiyas.com/inventor/katsuhiko-kizawa

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

USPTO Granted Patents = 11 (Patent Applications = 3)

% Patents Active = 45.5

CIPO Patents = 1

EPO Patents = 3 (Patent Applications = 5)

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 20(Granted Patents)

Location History:

Kashiwara, JP (2005)
Osaka, JP (2003 - 2022)

Company Filing History:

Koyo Seiko Company, Ltd.

patents

2 out of 1,973

Jfe Steel Corporation

patents

where one patent can have more than one assignee

Years Active: 2003-2022

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11319605 - Heat treatment apparatus and heat treatment method (2022-05-03),

2. 10538821 - Heat treatment apparatus and heat treatment method (2020-01-21),

3. 10190185 - Hardening method of annular workpiece (2019-01-29),

4. 9709099 - Bearing ring and rolling bearing (2017-07-18),

5. 8640341 - Method of producing rolling sliding member (2014-02-04),

6. 8596875 - Bearing constituent member and process for producing the same, and rolling bearing having bearing constituent member (2013-12-03),

7. 7413704 - Case hardening bearing steel having excellent toughness and rolling contact fatigue life in intermediate temperature (2008-08-19),

8. 7207933 - Carburized roller member made of high carbon chromium steel (2007-04-24),

9. 6893609 - Bearing material (2005-05-17),

10. 6874943 - Antifriction bearing and process for producing outer race for use in antifriction bearing (2005-04-05),

11. 6582532 - Steel for large bearing and parts for large bearing (2003-06-24),

Title: The Innovative Contributions of Katsuhiko Kizawa

Introduction

Katsuhiko Kizawa is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of heat treatment technology, holding a total of 11 patents. His work has been instrumental in advancing methods and apparatuses used in the thermal treatment of materials.

Latest Patents

One of Kizawa's latest patents is a heat treatment apparatus and method designed for thermally treating annular workpieces made of steel. This innovative apparatus includes a treatment tank where the workpiece is set and thermally treated. It features a holding portion that secures the workpiece at a predetermined position, an induction heating coil that surrounds the workpiece for inductive heating, and a cooling medium that cools the surfaces of the workpiece during the induction heating process.

Career Highlights

Throughout his career, Kizawa has worked with notable companies such as Jtekt Corporation and Koyo Seiko Company, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various advancements in heat treatment technologies.

Collaborations

Kizawa has collaborated with several talented individuals in his field, including Towako Matsui and Masao Goto. These collaborations have fostered innovation and have led to the development of new technologies in heat treatment.

Conclusion

Katsuhiko Kizawa's contributions to the field of heat treatment are noteworthy, and his patents reflect his dedication to innovation. His work continues to influence the industry and pave the way for future advancements.

Profile summary based on public USPTO records.