Kawasaki, Japan

Toru Yaku

This inventor holds 20 USPTO granted patents and 2 published patent applications and 13 EPO patents, primarily in Optical Encoders. Top assignee: Mitutoyo Corporation. Active years: 1995-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toru Yaku. Retrieved from https://idiyas.com/inventor/toru-yaku

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

USPTO Granted Patents = 20 

% Patents Active = 90.0

 

Average Co-Inventor Count = 2.4

ph-index = 5

Forward Citations = 149(Granted Patents)


Location History:

  • Kawasaki, JP (1995 - 2019)
  • Kanagawa, JP (2016 - 2022)

Company Filing History:


Years Active: 1995-2022

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Areas of Expertise:
Telecentric Optical Apparatus
Photoelectric Encoder
Optical Encoder
Light-Receiving Element Array
Phase Adjuster
Interference Pattern Processing
Crosstalk Prevention
Lens Aberration Correction
Semiconductor Package
Energy Saving Measurement
Absolute Measurement
20 patents (USPTO):Explore Patents

Title: Innovations by Toru Yaku: A Trailblazer in Telecentric Optical Technology

Introduction

Toru Yaku, an accomplished inventor based in Kawasaki, Japan, has made significant contributions to the field of optical technologies. With a remarkable portfolio of 20 patents, Yaku stands out as a leading figure in the optical engineering domain, particularly known for his innovative designs that enhance precision and efficiency.

Latest Patents

Among Yaku's latest innovations is a telecentric optical apparatus that effectively suppresses the increase in the number of components while achieving high-precision optical axis alignment. This apparatus is characterized by the inclusion of a first telecentric lens surface positioned on the object side, a second telecentric lens surface on the image side that shares a focus position with the first lens, and an optical path trimming part situated between the two lens surfaces. This innovative feature is designed to alter the optical path in such a way that light beams entering the outside region do not contribute to image formation, thereby enhancing the overall clarity and precision of the optical system.

Career Highlights

Toru Yaku has spent a significant part of his career at Mitutoyo Corporation, a prominent company specializing in precision measurement instruments. His work has contributed to various advancements within the organization, particularly in the development of cutting-edge optical technologies that are essential for modern engineering and measurement applications.

Collaborations

Throughout his career, Yaku has collaborated with esteemed colleagues, including Tatsuya Nagahama and Tetsuro Kiriyama. These partnerships have fostered an environment of innovation within Mitutoyo Corporation, allowing for the exchange of ideas and expertise that drive the development of groundbreaking technologies.

Conclusion

Toru Yaku's impressive body of work, marked by his 20 patents and cutting-edge innovations in telecentric optical technology, underscores his impact on the field. His contributions not only enhance the capabilities of measurement instruments but also pave the way for future advancements in optical engineering. As a key player at Mitutoyo Corporation, Yaku continues to inspire generations of inventors and innovators in the world of precision 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]
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