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For the Inventor, By the Inventor

Shiga, Japan

Kenichiro Nakamura

This inventor holds 10 USPTO granted patents. Top assignee: Tsubakimoto Chain Company. Active years: 1987-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenichiro Nakamura. Retrieved from https://idiyas.com/inventor/kenichiro-nakamura-ffoxcy1h

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 7

Forward Citations = 224(Granted Patents)


Location History:

  • Moriyama, JP (1987 - 1988)
  • Shiga, JP (1989)
  • Ohtsu, JP (1990)
  • Otsu, JP (1992 - 1998)
  • Shiga-ken, JP (1999 - 2000)

Company Filing History:

goldMedal10 out of 914 
 
Tsubakimoto Chain Company
 patents

Years Active: 1987-2000

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10 patents (USPTO):Explore Patents
1. 6067868 - Anti-rotation mechanism in a screw type linear actuator (2000-05-30),
2. 5910692 - Ball-threaded shaft anti-slipout type linear actuator (1999-06-08),
3. 5890585 - Limit switch mounting structure for a linear actuator (1999-04-06),
4. 5760357 - Thrust detecting device of a linear actuator (1998-06-02),
5. 5620078 - Stroke control device for an actuator rod of a linear actuator (1997-04-15),
6. 5174680 - Fastening apparatus for a shaft and a wheel or wheel-like body (1992-12-29),
7. 4910419 - Overload detection mechanism for motor-driven linear actuator (1990-03-20),
8. 4799064 - Gyratory parabolic antenna driving device (1989-01-17),
9. 4763219 - Overload protection for DC motor-driven linear actuator (1988-08-09),
10. 4679451 - Case for driving section of linear actuator (1987-07-14),

Title: Kenichiro Nakamura: Innovator in Linear Actuator Technology

Introduction

Kenichiro Nakamura is a prominent inventor based in Shiga-Ken, Japan. He has made significant contributions to the field of linear actuator technology, holding a total of 10 patents. His innovative designs focus on enhancing the functionality and efficiency of linear actuators.

Latest Patents

One of Nakamura's latest patents is the "Anti-rotation mechanism in a screw type linear actuator." This invention features an outer and inner cylinder that provides high accuracy and rigidity. The design is simple and does not require a tie rod, making it cost-effective to manufacture. The outer cylinder has a unique non-circular cross-sectional shape that includes a rotation inhibiting surface, while the inner cylinder is designed for sliding engagement to prevent rotation.

Another notable patent is the "Ball-threaded shaft anti-slipout type linear actuator." This invention addresses the issue of a ball-threaded shaft slipping out of a linear actuator. It includes a threaded output shaft that moves linearly with respect to an outer tube. The design incorporates a bearing assembly that prevents axial displacement, ensuring reliable operation even under tension and rotational forces.

Career Highlights

Kenichiro Nakamura is currently employed at Tsubakimoto Chain Company, where he continues to innovate in the field of linear actuators. His work has significantly impacted the efficiency and reliability of various mechanical systems.

Collaborations

Nakamura has collaborated with notable colleagues, including Toshio Mitsuyama and Takashi Noguchi. Their combined expertise has contributed to the advancement of actuator technology.

Conclusion

Kenichiro Nakamura's contributions to linear actuator technology through his innovative patents demonstrate his commitment to enhancing mechanical systems. His work continues to influence the industry and inspire future innovations.

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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