Location History:
- Yokohama, JP (1996)
- Osaka, JP (1988 - 1999)
Company Filing History:
2 out of 10,273 
1 out of 229 Years Active: 1988-1999
Title: Ken-ichi Yoshida: Innovator in Immunosuppressive Compositions and Field Effect Transistors
Introduction
Ken-ichi Yoshida is a notable inventor based in Osaka, Japan. He has made significant contributions to the fields of immunology and semiconductor technology. With a total of 3 patents to his name, his work has had a considerable impact on both medical and technological advancements.
Latest Patents
One of Yoshida's latest patents is for immunosuppressive-activity potentiating compositions. This invention provides compositions that include a phosphoric acid diester compound, which can effectively suppress acute rejection after transplantation. Another significant patent is related to a high-speed field effect transistor (FET) and its manufacturing method. This invention ensures a high output current and high mobility of channel electrons, achieved through a carefully structured layer arrangement on a semi-insulating GaAs semiconductor substrate.
Career Highlights
Throughout his career, Ken-ichi Yoshida has worked with prominent companies such as Sumitomo Electric Industries and Senju Pharmaceutical. His experience in these organizations has allowed him to develop innovative solutions that address complex challenges in his fields of expertise.
Collaborations
Yoshida has collaborated with notable colleagues, including Yoshikazu Nishiwaki and Ken-ichiro Matsuzaki. These partnerships have contributed to the advancement of his research and inventions.
Conclusion
Ken-ichi Yoshida's contributions to immunosuppressive compositions and field effect transistors highlight his innovative spirit and dedication to advancing technology. His work continues to influence both the medical and semiconductor industries.