This inventor holds 16 USPTO granted patents and 1 published patent application and 4 EPO patents. Top assignees: Mitutoyo Corporation, Mitsubishi Denki Kabushiki Kaisha. Active years: 1996-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kawasaki, JP (1996 - 2009)
- Fujisawa, JP (2018)
Company Filing History:


Years Active: 1996-2025
Title: The Innovative Mind of Tetsuro Kiriyama
Introduction
Tetsuro Kiriyama, an esteemed inventor based in Kawasaki, Japan, has made significant contributions to the field of photoelectric encoders and signal processing. With a portfolio of 15 patents, Kiriyama's inventions highlight his dedication to advancing technology and improving the efficiency and accuracy of electronic devices.
Latest Patents
Among Tetsuro Kiriyama's latest patents is the "Encoder Having Phase Adjuster for Offsetting Phases of Multi-Phase Input Signal." This invention features a resistor string that outputs sixteen signals, each with a phase difference of 22.5 degrees. By dividing voltage between two adjacent phases of a four-phase input signal, and generating delayed signals for each phase, Kiriyama enhances signal precision and reliability.
Another notable patent is the "Photoelectric Encoder Capable of Effectively Removing Harmonic Components." This innovative design includes a three-grating type encoder where the first and third gratings are strategically positioned to remove specific harmonic components. With a shift in the measurement axis, this invention enables high accuracy while maintaining cost-effectiveness in manufacturing.
Career Highlights
Throughout his career, Tetsuro Kiriyama has worked with reputable companies, including Mitutoyo Corporation and Mitsubishi Electric Corporation. His experience in these leading organizations has undoubtedly influenced his inventive journey, providing him with the tools and environments needed to create groundbreaking technologies.
Collaborations
During his career, Kiriyama has collaborated with talented individuals like Toru Yaku and Toshiharu Miyata. These partnerships have allowed for the exchange of ideas and expertise, further enhancing the innovative outputs of their projects.
Conclusion
Tetsuro Kiriyama stands out as a prominent figure in the realm of inventions focused on electronic signal processing. His latest patents reflect a deep understanding of technology and a commitment to solving complex engineering challenges. With ongoing innovations, Kiriyama's work continues to leave a lasting impact on the industry, paving the way for future advancements in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile