Company Filing History:
2 out of 4 
1 out of 3 Years Active: 1985-1986
Certainly! Here is the article about inventor Tsuneo Yoshinari:
Title: The Innovative Work of Tsuneo Yoshinari in Hitachi, Japan
Introduction: Tsuneo Yoshinari, a talented inventor based in Hitachi, Japan, has made significant contributions to the field of technology with a total of 3 patents to his name.
Latest Patents: One of his latest inventions is the Thin Film Magnetic Head, which features a unique design comprising a lower magnetic member, an upper magnetic film, and a conductor film forming a coil. This innovation showcases a magnetostriction constant not exceeding 6.times.10.sup.-7 in absolute value. Another remarkable patent is the Method of Patterning Thin Film, which describes a process for patterning thin alumina film using ion beam etching with a carbon fluoride gas.
Career Highlights: Tsuneo Yoshinari has worked with prestigious organizations such as the Computer Basic Technology Research Association, where he honed his skills and expertise in the technology sector.
Collaborations: Throughout his career, Tsuneo Yoshinari has collaborated with esteemed colleagues including Shinji Narishige and Katsuya Mitsuoka, who have contributed to the success of various projects alongside him.
Conclusion: Tsuneo Yoshinari's innovative spirit and dedication to technological advancements have positioned him as a respected figure in the field of inventions. His groundbreaking patents continue to inspire future generations of inventors and researchers in Japan and beyond.