Location History:
- Kawaguchi, JP (1989 - 2001)
- Urawa, JP (1989 - 2003)
Company Filing History:
Years Active: 1989-2003
Title: Innovator Spotlight: Hidefumi Ohsawa
Introduction
Hidefumi Ohsawa, based in Kawaguchi, Japan, is a prolific inventor with an impressive portfolio of 34 patents. His work primarily revolves around advanced image management technologies, contributing significantly to the field of digital imaging and processing.
Latest Patents
Among his latest inventions is an innovative image management apparatus and method designed to enhance user experience by increasing the cache hit ratio of requested images. This system utilizes an intermediate HDD with high retrieval speed to cache images from a CD-ROM changer, significantly reducing the user's average waiting time. If the requested image is not available in the cache, the system intelligently checks the free volume of the intermediate HDD and manages stored images by prioritizing the erasure of less popular or older accessed images.
Another noteworthy patent is his color image processing apparatus. This device digitally reads color documents and implements advanced processing techniques to ensure favorable distinction between character portions and black regions in a document, utilizing a character region extracting device and a specialized single black color processing device.
Career Highlights
Hidefumi Ohsawa has made substantial contributions during his tenure at Canon Kaushiki Kaisha, where he has played a crucial role in developing innovative imaging solutions. His insights and inventions reflect a deep understanding of both technical and user-centric perspectives in digital imaging.
Collaborations
During his career, Ohsawa has had the opportunity to collaborate with notable colleagues such as Akihiro Katayama and Yasuji Hirabayashi. These collaborations have further enriched his innovations, leading to significant advancements in imaging technology.
Conclusion
Hidefumi Ohsawa's work is a testament to the vital role of innovation in enhancing digital imaging solutions. With numerous patents to his name, his impact is evident in various applications that improve user experience and efficiency in image management. His continued contributions promise to shape the future of imaging technology.