logo

For the Inventor, By the Inventor

Yotsukaido, Japan

Eiji Matsukawa

This inventor holds 10 USPTO granted patents and 3 published patent applications. Top assignee: Nikon Corporation. Active years: 2001-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Matsukawa. Retrieved from https://idiyas.com/inventor/eiji-matsukawa

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

USPTO Granted Patents = 10 

% Patents Active = 80.0

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 97(Granted Patents)


Location History:

  • Yotsukaidou, JP (2002)
  • Yotsukaido, JP (2001 - 2023)

Company Filing History:

goldMedal10 out of 8,995 
 
Nikon Corporation
 patents

Years Active: 2001-2023

Loading Chart...
10 patents (USPTO):Explore Patents
1. 11550206 - Light receiving apparatus with shock resistance (2023-01-10),
2. 10305397 - Vibration actuator unit, stage apparatus, and optical apparatus (2019-05-28),
3. 10237457 - Light receiving apparatus having body and exterior portion secured to mount (2019-03-19),
4. 9513459 - Driving apparatus, optical apparatus and imaging apparatus (2016-12-06),
5. 8873172 - Linear motor and lens unit (2014-10-28),
6. 8445837 - Vibration actuator for rotating a rotating axle and image capturing apparatus (2013-05-21),
7. 8344591 - Vibration actuator and imaging device (2013-01-01),
8. 7481945 - Polishing progress monitoring method and device thereof, polishing device, semiconductor device production method, and semiconductor device (2009-01-27),
9. 6489624 - Apparatus and methods for detecting thickness of a patterned layer (2002-12-03),
10. 6323952 - Flatness measuring apparatus (2001-11-27),

Title: Eiji Matsukawa: Innovator in Light Receiving Apparatus and Vibration Actuator Technology

Introduction

Eiji Matsukawa is a prominent inventor based in Yotsukaido, Japan. He has made significant contributions to the field of optical technology, holding a total of 10 patents. His work primarily focuses on light receiving apparatuses and vibration actuator units, showcasing his innovative spirit and technical expertise.

Latest Patents

One of Matsukawa's latest patents is a light receiving apparatus with shock resistance. This invention includes a first light receiving unit secured to a body, which is covered by a first exterior portion. The design features a mount capable of having an interchangeable lens attached, ensuring that any force placed on the exterior portion is absorbed by the mount, thereby reducing the transfer of force to the body. Another notable patent is for a vibration actuator unit, which consists of an electromechanical converting element that transforms electric vibrations into mechanical vibrations. This unit is designed to vibrate a contact portion that interacts with an actuated surface, providing an effective actuating force.

Career Highlights

Eiji Matsukawa is currently employed at Nikon Corporation, a leading company in the field of imaging and optical products. His role at Nikon has allowed him to develop and refine his inventions, contributing to the company's reputation for innovation and quality in optical technology.

Collaborations

Matsukawa has collaborated with notable coworkers, including Kazuyasu Oone and Tsuyoshi Okutani. These partnerships have likely enhanced the development of his inventions and fostered a collaborative environment for innovation.

Conclusion

Eiji Matsukawa's contributions to optical technology through his patents and work at Nikon Corporation highlight his role as a key innovator in the field. His inventions, particularly in light receiving apparatuses and vibration actuators, demonstrate his commitment to advancing technology and improving product performance.

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…