This inventor holds 6 USPTO granted patents. Top assignees: Renesas Electronics Corporation, Nec Electronics Corporation. Active years: 2009-2026.
Location History:
- Kanagawa, JP (2009 - 2011)
- Kawasaki, JP (2011)
- Tokyo, JP (2020)
Company Filing History:
4 out of 7,647 
2 out of 2,467 
Years Active: 2009-2026
Title: Tetsuhiro Koyama: Innovator in Semiconductor Technology
Introduction
Tetsuhiro Koyama is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 6 patents. His work focuses on improving temperature measurement methods and semiconductor devices.
Latest Patents
Koyama's latest patents include a semiconductor device and a temperature characteristic test method. This method involves measuring the temperature dependencies of a reference voltage and an absolute temperature proportional voltage for multiple samples before testing the temperature characteristics of a band gap reference circuit. The process calculates differences between the reference voltages and absolute temperature proportional voltages to ensure accuracy in testing. Another notable patent is a temperature measurement circuit and method, which allows for the detection of failures in temperature sensors while minimizing circuit scale. This innovative circuit includes temperature sensors, a comparator, and a ring oscillator that generates digital values based on temperature-dependent oscillations.
Career Highlights
Throughout his career, Koyama has worked with leading companies in the electronics industry, including Renesas Electronics Corporation and NEC Electronics Corporation. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.
Collaborations
Koyama has collaborated with notable colleagues such as Fumiki Kawakami and Tetsuya Matsumoto. These partnerships have likely enhanced his research and development efforts in the semiconductor field.
Conclusion
Tetsuhiro Koyama is a distinguished inventor whose work in semiconductor technology has led to several important patents. His innovative approaches to temperature measurement and semiconductor devices continue to influence the industry.