This inventor holds 3 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1978-2003.
Location History:
- Tokyo, JP (1978 - 1994)
- Chiba, JP (2003)
Company Filing History:
Years Active: 1978-2003
Title: Keisuke Ikegami: Innovator in Imaging Technology
Introduction
Keisuke Ikegami is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of imaging technology, holding a total of 3 patents. His work primarily focuses on enhancing imaging apparatuses and video tape recorders.
Latest Patents
One of Ikegami's latest patents is an imaging apparatus with an exposure controlling mechanism. This innovative device defines an iris aperture by moving iris blades on surfaces perpendicular to the optical axis. The exposure controlling mechanism includes a first iris blade with a first ND filter that has at least two levels of transmissivity, a second iris blade without an ND filter, and a third iris blade with a second ND filter that has a single transmissivity. The unique design allows for different amounts and phases of displacement for each iris blade, controlled by a driving means.
Another significant patent is a tape tensioning mechanism with a tape loading-activated tensioning pin. This mechanism is designed for a video tape recorder and effectively tensions a magnetic tape drawn out of a tape cassette. It features a tensioning arm that is rotatably mounted on a movable chassis, along with a tensioning pin that contacts the tape to apply tension when loaded. The mechanism also includes a tightening lever and a tension spring, ensuring optimal performance during tape loading.
Career Highlights
Keisuke Ikegami is currently employed at Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to develop and refine his innovative ideas, contributing to the advancement of imaging technology.
Collaborations
Ikegami has collaborated with talented coworkers, including Yusuke Nanjo and Yuichi Nakano. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Keisuke Ikegami's contributions to imaging technology through his patents and work at Sony Corporation highlight his role as a significant inventor in the field. His innovative designs continue to influence the industry and pave the way for future advancements.