logo

For the Inventor, By the Inventor

Kashihara, Japan

Kazuhisa Kitamura

This inventor holds 7 USPTO granted patents. Top assignees: Koyo Seiko Company, Ltd., Jtekt Corporation, Daido Steel Co., Ltd.. Active years: 1993-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhisa Kitamura. Retrieved from https://idiyas.com/inventor/kazuhisa-kitamura-l96cvfnt

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

USPTO Granted Patents = 7

% Patents Active = 85.7

Average Co-Inventor Count = 4.5

ph-index = 3

Forward Citations = 20(Granted Patents)


Location History:

  • Osaka, JP (1993 - 1994)
  • Nara, JP (2008 - 2011)
  • Kashihara, JP (2001 - 2022)

Company Filing History:

goldMedal4 out of 772 
 
Koyo Seiko Company, Ltd.
 patents
silverMedal3 out of 2,468 
 
Jtekt Corporation
 patents
bronzeMedal2 out of 146 
 
Daido Steel Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1993-2022

Loading Chart...
7 patents (USPTO):Explore Patents
1. 11268572 - Rolling slide member, rolling bearing using same, and method for manufacturing rolling slide member (2022-03-08),
2. 11215230 - Rolling slide member, rolling bearing using same, and method for manufacturing rolling slide member (2022-01-04),
3. 7993229 - Power transmission chain and power transmission assembly using the same (2011-08-09),
4. 7431511 - Rolling bearing (2008-10-07),
5. 6174089 - Rolling bearing having rolling elements whose major component is zirconia (2001-01-16),
6. 5327995 - Method of lubrication between two sliding members (1994-07-12),
7. 5176456 - Rolling bearing (1993-01-05),

Title: Kazuhisa Kitamura: Innovator in Rolling Slide Technology

Introduction

Kazuhisa Kitamura is a prominent inventor based in Kashihara, Japan. He has made significant contributions to the field of rolling slide technology, holding a total of seven patents. His work focuses on enhancing the performance and durability of rolling bearings and slide members.

Latest Patents

Among his latest patents are innovations related to rolling slide members and rolling bearings. One notable patent describes a rolling-sliding member that exhibits high hardness and maintains a reliable passivation film even after undergoing processes that do not require scale removal. This advancement is crucial for improving the longevity and efficiency of rolling bearings.

Career Highlights

Kazuhisa Kitamura has had a distinguished career, working with notable companies such as Koyo Seiko Company, Ltd. and Jtekt Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in rolling slide technology.

Collaborations

Throughout his career, Kitamura has collaborated with talented individuals, including Tomoya Hattori and Hiroaki Takebayashi. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Kazuhisa Kitamura's contributions to rolling slide technology have made a significant impact in the industry. His innovative patents and collaborations reflect his dedication to advancing engineering solutions.

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]
Loading…