This inventor holds 2 USPTO granted patents. Top assignees: Tokyo Electron Limited, Tokyo Electron Yamanashi Limited. Active years: 1995.
Company Filing History:
2 out of 10,862 
2 out of 71 
Years Active: 1995
Title: Hitoshi Fujihara: Innovator in Semiconductor Testing Technology
Introduction
Hitoshi Fujihara is a notable inventor based in Yamanashi, Japan. He has made significant contributions to the field of semiconductor testing technology. With a total of 2 patents, Fujihara's work focuses on enhancing the efficiency and accuracy of probing devices used in the semiconductor industry.
Latest Patents
Fujihara's latest patents include a probing device that sets a probe card parallel to a semiconductor wafer. This innovative probe apparatus features a test head for electrically testing chips, a probe card with multiple probe needles, and a CCD camera for detecting heights at specific points on the probe card. The design allows for precise adjustments to ensure that the semiconductor wafer is parallel to the probe card based on movement amounts in both X- and Y-directions.
Another significant patent is a probe apparatus equipped with a swinging holder for examining wafers. This device includes a probe card with several probes, a wafer holder, and a tester head that detects the electrical characteristics of the wafer. A CCD camera is also integrated to monitor the position of the wafer during testing, enhancing the overall examination process.
Career Highlights
Fujihara has worked with prominent companies in the semiconductor industry, including Tokyo Electron Yamanashi Limited and Tokyo Electron Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor testing technology.
Collaborations
Throughout his career, Fujihara has collaborated with talented individuals such as Wataru Karasawa and Masaru Suzuki. These partnerships have contributed to the advancement of his inventions and the overall progress in the field.
Conclusion
Hitoshi Fujihara's contributions to semiconductor testing technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, paving the way for future innovations.