Kawasaki, Japan

Yoshiaki Kato

This inventor holds 32 USPTO granted patents and 3 published patent applications and 7 EPO patents, primarily in Optical Encoders. Top assignees: Mitutoyo Corporation, Fujitsu Corporation, Jatco Corporation. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Kato. Retrieved from https://idiyas.com/inventor/yoshiaki-kato-utp854va

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

Calculating rank
USPTO Granted Patents = 32 

% Patents Active = 68.8

 

Average Co-Inventor Count = 1.3

ph-index = 5

Forward Citations = 91(Granted Patents)


Location History:

  • Sapporo, JP (2008)
  • Kawasaki, JP (2006 - 2018)
  • Urayasu, JP (2017 - 2021)
  • Kanagawa, JP (2003 - 2022)
  • Chiba, JP (2017 - 2022)

Company Filing History:


Years Active: 2003-2026

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Areas of Expertise:
Optical Encoder
Photoelectric Encoder
Measurement Method
Signal Processing
Position Detection
Displacement Detecting Device
Electromagnetic Inductive Encoder
Scale Measurement
Encoder Head
Phase Compensation
Absolute Position Measuring
32 patents (USPTO):Explore Patents

Title: Yoshiaki Kato: Innovator in Precision Measurement Technologies

Introduction: Yoshiaki Kato, an esteemed inventor based in Kawasaki, Japan, has made significant contributions to the field of precision measurement through his innovative inventions. With a remarkable portfolio of 31 patents, Kato has been at the forefront of advancing technologies related to rotary encoders and measurement scales.

Latest Patents: Among Kato's latest inventions are two notable patents. The first is a photoelectric rotary encoder that features a disk-shaped scale with a grating-like pattern, designed to accurately detect the displacement caused by the rotation of a measurement target. This invention includes a head composed of a light source, diffraction unit, and light-receiving elements, ensuring precision in measurement through sophisticated optical mechanisms.

The second patent focuses on a scale used in electromagnetic inductive encoders, capable of sustaining measurement accuracy despite any potential damage to its pattern. This advanced scale pattern incorporates multiple unit patterns arranged in a way to maintain the magnetic flux distribution effectively, even if scratched. This innovation epitomizes Kato's commitment to enhancing reliability and accuracy in measurement technologies.

Career Highlights: Yoshiaki Kato has established his career at renowned organizations such as Mitutoyo Corporation and Fujitsu Corporation. His work at these companies has allowed him to push the boundaries of technology and contribute to vital advancements in measurement systems.

Collaborations: Throughout his career, Kato has collaborated with notable professionals in the field, including Yoshifumi Kajiwara and Wataru Murata. These collaborations have fostered a productive environment for innovation and have played a crucial role in the development of Kato's distinguished inventions.

Conclusion: Yoshiaki Kato's dedication to innovation in precision measurement technologies has earned him a prominent position as a notable inventor. His inventive spirit is reflected in his extensive patent portfolio, showcasing his ability to develop advanced solutions that enhance accuracy and reliability in measurement systems. As technology continues to evolve, Kato's contributions will undoubtedly leave a lasting impact on the industry.

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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