Company Filing History:
Years Active: 1984-2013
Title: Keiichi Tsuchiya: Innovator in Semiconductor and Rotor Shaft Technologies
Introduction
Keiichi Tsuchiya is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of semiconductor devices and rotor shaft technologies. With a total of 2 patents, Tsuchiya's work reflects his innovative spirit and technical expertise.
Latest Patents
Tsuchiya's latest patents include a semiconductor device and a rotor shaft. The semiconductor device features a first electrode that extends upward and a second electrode that covers the lower portion of the first electrode. This design enhances the functionality of semiconductor applications. The rotor shaft, suitable for use in steam turbines, is made from a Cr alloy steel with a martensite structure. It includes a journal portion that is rotatably supported by a bearing, improving its bearing properties through a specially designed sleeve.
Career Highlights
Throughout his career, Keiichi Tsuchiya has worked with notable companies such as Elpida Memory, Inc. and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in technology.
Collaborations
Tsuchiya has collaborated with esteemed colleagues, including Katsukuni Hisano and Toshimi Tan. These partnerships have contributed to the advancement of his projects and innovations.
Conclusion
Keiichi Tsuchiya's contributions to semiconductor and rotor shaft technologies highlight his role as a significant inventor in Japan. His patents and collaborations reflect a commitment to innovation and excellence in engineering.