This inventor holds 49 USPTO granted patents and 1 EPO patent, primarily in Image Processing Systems. Top assignees: Canon Kabushiki Kaisha, Other. Active years: 1990-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kawasaki, JP (1991)
- Yokohama, JP (1993 - 2002)
- Ohta-ku, Tokyo, JP (2006)
- Tokyo, JP (1990 - 2013)
Company Filing History:

Years Active: 1990-2013
Areas of Expertise:
Title: Innovations of Yoichi Yamagishi – A Leader in Imaging Technology
Introduction
Yoichi Yamagishi, based in Tokyo, Japan, is an accomplished inventor with an impressive portfolio of 48 patents. His contributions to the field of imaging technology, particularly through his work at Canon Kabushiki Kaisha, have significantly advanced the capabilities of image sensing apparatuses.
Latest Patents
Yamagishi holds several patents that showcase his expertise and innovative thinking. One of his latest inventions involves an imaging system utilizing a quick return mirror that reverts to a down state and a stop that fully opens before the accumulation period concludes. This apparatus includes an image sensing device complemented by a signal processing device, which performs a two-step image sensing operation, enhancing the accuracy and quality of sensed image signals.
Another pioneering patent by Yamagishi is the image sensing apparatus featuring a power-saving mode and its associated control method. This innovative design allows the apparatus to stop electrical power supply to certain components if no user input is detected after a preset time. The control method intelligently selects among various operation modes, including image sensing and playback, based on user interaction and communication state with external processing devices.
Career Highlights
Yamagishi's career at Canon Kabushiki Kaisha has been marked by significant advancements in imaging technology. His role as an inventor has cemented his reputation as a key player in the development of cutting-edge imaging systems, leading to enhanced performance and efficiency.
Collaborations
Throughout his career, Yamagishi has worked alongside notable colleagues such as Hiroyuki Horii and Makoto Hiramatsu. Their collaborative efforts have resulted in shared progress in the imaging field, leading to innovative solutions that benefit both the company and the industry at large.
Conclusion
With a robust portfolio of patents and a dedication to innovation, Yoichi Yamagishi continues to be a driving force in the realm of imaging technology. His contributions not only reflect his expertise as an inventor but also underscore the collaborative efforts that fuel advancements in this dynamic field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile