This inventor holds 5 USPTO granted patents. Top assignees: Hitachi Koki Co., Ltd., Hitachi, Ltd.. Active years: 1991-1993.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Katsuta, JP (1991)
- Ibaraki, JP (1991 - 1993)
Company Filing History:

Years Active: 1991-1993
Title: Minoru Ohshima: Innovator in Surface Potential Measurement
Introduction
Minoru Ohshima is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of measurement technology, particularly in the area of surface potential measurement. With a total of 5 patents to his name, Ohshima's work has had a lasting impact on various applications in technology.
Latest Patents
Ohshima's latest patents include a device for measuring surface potentials at a photosensitive body. This innovative device features a potential sensor that measures surface potentials at multiple positions on the photosensitive body. It also includes a plurality of sample hold circuits and an adder that either adds each measured surface potential or averages the sum. This process helps eliminate eccentricity-induced errors and noise, ensuring accurate surface potential measurements. Another significant patent is a beam position control apparatus. This apparatus directs a light beam from a light generating source through a movable reflector to a light detector. It utilizes a servo control circuit that feeds back signals from the light detector to the movable reflector, enhancing the precision of beam positioning.
Career Highlights
Throughout his career, Minoru Ohshima has worked with prominent companies such as Hitachi Koki Co., Ltd. and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in measurement technology.
Collaborations
Ohshima has collaborated with notable coworkers, including Akira Arimoto and Takeshi Mochizuki. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Minoru Ohshima's contributions to the field of surface potential measurement exemplify his innovative spirit and dedication to advancing technology. His patents and collaborations reflect a commitment to excellence in engineering and invention.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile