Location History:
- Hyogo, JP (2005)
- Tokyo, JP (2002 - 2006)
Company Filing History:
2 out of 3,781 
1 out of 52 
1 out of 21,351 
Years Active: 2002-2006
Title: Hisayoshi Hanai: Innovator in Semiconductor Testing Technology
Introduction
Hisayoshi Hanai is a prominent inventor based in Tokyo, Japan, known for his contributions to semiconductor testing technology. With a total of 5 patents to his name, Hanai has made significant advancements in the field, particularly in the development of apparatuses for testing integrated circuits.
Latest Patents
One of Hanai's latest patents is an apparatus for testing semiconductor integrated circuits. This innovative device includes a test circuit board and an ancillary test device capable of testing digital circuits. The ancillary test device features test pattern memory, a test pattern signal generator, and a control section that manages the operation of selected test pattern data. This allows for the generation of a test input pattern signal based on the written test pattern data, facilitating the testing of digital circuits effectively.
Another notable patent is a jitter measurement circuit designed to measure the jitter of a measurement target signal using a sampling data string obtained from an ideal cyclic signal. This circuit includes a conversion section that samples either a reference signal or a measurement target signal, resulting in a sampling data string. The determination section then measures the jitter of the measurement target signal based on this data string, allowing for straightforward measurement of jitter levels.
Career Highlights
Throughout his career, Hanai has worked with notable companies, including Renesas Technology Corporation. His experience in the semiconductor industry has equipped him with the knowledge and skills necessary to innovate and improve testing technologies.
Collaborations
Hanai has collaborated with esteemed colleagues such as Teruhiko Funakura and Hisaya Mori, contributing to the advancement of semiconductor testing methodologies.
Conclusion
Hisayoshi Hanai's work in semiconductor testing technology has made a lasting impact on the industry. His innovative patents and collaborations highlight his dedication to advancing technology in this critical field.