Mikihiro Kajiura

This inventor holds 19 USPTO granted patents, primarily in Internal Combustion Engine. Top assignees: Hitachi Automotive Systems, Ltd., Hitachi, Ltd.. Active years: 2006-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mikihiro Kajiura. Retrieved from https://idiyas.com/inventor/mikihiro-kajiura

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

Calculating rank

USPTO Granted Patents = 19

% Patents Active = 15.8

Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 45(Granted Patents)

Location History:

Tokyo, JP (2006 - 2009)
Inagi, JP (2011 - 2014)
Hitachinaka, JP (2017)
Tama, JP (2017 - 2019)

Company Filing History:

10 out of 2,028

Hitachi Automotive Systems, Ltd.

Years Active: 2006-2019

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Areas of Expertise:

Valve Timing Control

Variable Valve Actuation

Actuator

Internal Combustion Engine

Control Shaft

Operating Mechanism

Control Device

Valve Operating Apparatus

Apparatus

19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10294829 - Valve timing control device for internal combustion engine (2019-05-21),

2. 9784146 - Valve timing control device for internal combustion engine (2017-10-10),

3. 9765653 - Valve timing control apparatus for internal combustion engine (2017-09-19),

4. 9752467 - Variable valve device for internal combustion engines and valve timing control device (2017-09-05),

5. 9708941 - Valve timing control device of internal combustion engine (2017-07-18),

6. 9624796 - Valve-timing control apparatus for internal combustion engine (2017-04-18),

7. 9556757 - Valve timing control apparatus for internal combustion engine (2017-01-31),

8. 9540968 - Valve timing control apparatus and variable valve actuating apparatus for internal combustion engine (2017-01-10),

9. 8829751 - Actuator for variable valve operating apparatus (2014-09-09),

10. 8667936 - Valve control apparatus for internal combustion engine (2014-03-11),

11. 8061315 - Variable valve actuating apparatus for internal combustion engine and control shaft for variable valve actuating apparatus (2011-11-22),

12. 8006658 - Variable valve actuation apparatus of internal combustion engine (2011-08-30),

13. 7600496 - Valve operating apparatus for internal combustion engine (2009-10-13),

14. 7565887 - Valve actuation device of internal combustion engine (2009-07-28),

15. 7497192 - Variable valve system with control shaft actuating mechanism (2009-03-03),

Title: Innovator Mikihiro Kajiura: Pioneering Valve Timing Control Technology

Introduction: Mikihiro Kajiura, a prolific inventor based in Tama, Japan, has made significant contributions to the field of automotive technology with a remarkable portfolio of 19 patents. His innovations focus primarily on enhancing internal combustion engine performance through sophisticated valve timing control devices.

Latest Patents: Kajiura's latest patents include an advanced valve timing control device for internal combustion engines. This inventive device comprises a driving rotation member, which transmits rotational force from a crankshaft, a driven rotation member that rotates in unison with a camshaft, and a fixing member that interfaces between the camshaft's axial end and the driven rotation member. The device aims to suppress noise leakage while improving reliability without unnecessarily increasing its volume. The design also includes an electric motor that rotates relative to the camshaft, a current application switching mechanism for optimal coil management, and electromagnetic noise emission suppression features, showcasing Kajiura's commitment to innovation.

Career Highlights: Throughout his career, Mikihiro Kajiura has worked with notable companies in the automotive sector, including Hitachi Automotive Systems, Ltd. and Hitachi, Ltd. His roles at these organizations have facilitated the development of cutting-edge technologies in automotive engineering, particularly focused on internal combustion mechanisms.

Collaborations: Kajiura has collaborated with esteemed colleagues such as Yosuke Iwase and Makoto Nakamura. These partnerships have contributed to the sharing of knowledge and expertise, driving forward the advancements in valve timing control technologies.

Conclusion: Mikihiro Kajiura exemplifies the spirit of innovation in the automotive industry. With his extensive patent portfolio and collaborative efforts, he continues to influence the design and functionality of internal combustion engines, showcasing the importance of engineering ingenuity in modern technology.

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]