Location History:
- Kanagawa, JP (1990)
- Yokohama, JP (1990 - 2018)
Company Filing History:
5 out of 1,379 
3 out of 8,194 
1 out of 727 
Years Active: 1990-2018
Title: Hiroshi Ezawa: Innovator in Image Stabilization Technology
Introduction
Hiroshi Ezawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of image stabilization technology, holding a total of 10 patents. His work has been instrumental in advancing the capabilities of imaging devices.
Latest Patents
Ezawa's latest patents include an image stabilization apparatus and a shake correction apparatus. The image stabilization apparatus features a fixed barrel and a movable barrel, along with a support member that allows for the movement of the movable barrel. It incorporates a drive unit with a magnet and a coil, which drives the movable barrel. Additionally, it has a control section that manages the drive unit and a position detection section that monitors the position of the movable barrel. The judgment section assesses whether the apparatus operates normally by detecting deviations from a predetermined target position.
The shake correction apparatus consists of a stationary portion with coils arranged in a specific configuration and a movable portion that includes magnets and an imaging element. This apparatus is designed to support the movable portion in a way that allows it to move along a plane orthogonal to the optical axis of light entering the imaging element. It also features means for detecting the position of the movable portion and controlling the current flowing into the coils based on the detection output.
Career Highlights
Throughout his career, Hiroshi Ezawa has worked with notable companies such as Mitsui Toatsu Chemicals, Incorporated and Olympus Corporation. His experience in these organizations has contributed to his expertise in developing innovative imaging technologies.
Collaborations
Ezawa has collaborated with talented individuals in the field, including Hiroaki Tsushima and Takayuki Watanabe. These collaborations have further enriched his work and led to advancements in image stabilization technology.
Conclusion
Hiroshi Ezawa's contributions to image stabilization technology have made a significant impact in the field of imaging devices. His innovative patents and collaborations highlight his dedication to advancing technology in this area.