This inventor holds 4 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 2011-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kamakura, JP (2013)
- Kanagawa, JP (2011 - 2015)
Company Filing History:
Years Active: 2011-2015
Title: Innovations by Hiroaki Umezawa
Introduction
Hiroaki Umezawa is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of image processing and control devices. With a total of four patents to his name, Umezawa's work has had a considerable impact on technology used in imaging systems.
Latest Patents
Umezawa's latest patents include a fixing control device, a fixing control method, and an image forming apparatus. The fixing control device features an image detection unit that determines the presence of an image in various areas of an image formation region. It also includes a heater selection unit that selects heaters corresponding to the areas where an image is detected. Additionally, a heating amount computation unit calculates the heating amount for each selected heater, while a change amount computation unit assesses the change in heating amounts between adjacent areas. Finally, a heating amount correction unit adjusts the heating amounts to ensure that the change remains below a predetermined threshold. Another patent involves an apparatus and method for controlling a light source used for image reading, which adapts to user activity. This light source controller changes the power of the light source based on user activity signals, enhancing the efficiency of image reading processes.
Career Highlights
Hiroaki Umezawa is currently employed at Ricoh Company, Ltd., where he continues to innovate in the field of imaging technology. His work has been instrumental in developing advanced solutions that improve the functionality and efficiency of imaging devices.
Collaborations
Umezawa has collaborated with notable colleagues such as Takashi Enami and Toyonori Shiho. Their combined expertise has contributed to the successful development of various technologies in the imaging sector.
Conclusion
Hiroaki Umezawa's contributions to imaging technology through his patents and collaborations highlight his role as a significant inventor in the field. His innovative solutions continue to shape the future of image processing and control devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile