This inventor holds 17 USPTO granted patents and 3 published patent applications. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1986-1993.
Location History:
- Nara, JP (1987 - 1990)
- Ikoma, JP (1986 - 1993)
Company Filing History:
Years Active: 1986-1993
Title: Mitsuhiko Yoshikawa: Innovator in Thermal and Magnetic Technologies
Introduction
Mitsuhiko Yoshikawa is a prominent inventor based in Ikoma, Japan. He has made significant contributions to the fields of thermal recording and magnetic technologies. With a total of 17 patents to his name, Yoshikawa has established himself as a key figure in innovation.
Latest Patents
Yoshikawa's latest patents include a thermal head for thermal recording machines. This invention features an insulating substrate composed of a printed circuit board made of heat-resistant resin, covered with a copper film. It incorporates a plurality of thermal resistors arranged in a scanning direction, discrete electrodes connecting the thermal resistors to a control element, and a common electrode that connects the other ends of the thermal resistors. Additionally, it includes a heat-releasing layer formed from the copper film and a thermal accumulating layer made of polyimide resin. Another notable patent is a thin film magnetic head designed to reduce internal stresses. This device includes yokes that lead magnetic flux from a magnetic recording medium to a magnetic resistance effect element. The yokes are made of sputtered films with internal compressive stress, which can be negated by including a compensating film.
Career Highlights
Yoshikawa is currently associated with Sharp Kabushiki Kaisha Corporation, where he continues to innovate and develop new technologies. His work has significantly impacted the efficiency and performance of thermal and magnetic devices.
Collaborations
Yoshikawa has collaborated with notable coworkers, including Tohru Kira and Toru Kira. Their combined expertise has contributed to the advancement of their projects and innovations.
Conclusion
Mitsuhiko Yoshikawa's contributions to thermal and magnetic technologies highlight his role as a leading inventor in Japan. His innovative patents and collaborations continue to shape the future of these fields.