This inventor holds 4 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1994-2012.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Oyama-machi, JP (1997)
- Shizuoka, JP (1994 - 2012)
Company Filing History:
Years Active: 1994-2012
Title: The Innovative Contributions of Takeshi Yuyama
Introduction
Takeshi Yuyama is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of imaging technology, particularly in the processing of waste toner and thermosensitive recording materials. With a total of 4 patents to his name, Yuyama's work has had a considerable impact on the industry.
Latest Patents
Yuyama's latest patents include a processing method of waste toner and a processing device for waste toner, as well as an image forming device. The processing method involves adding citrus oil to waste toner collected from an image forming device during the formation of an electrophotography image. This innovative approach enhances the recycling process of waste toner. Additionally, he has developed thermosensitive recording materials that feature a support with a thermosensitive color developing layer. This layer is primarily composed of a leuco dye and a color developer, which, when heated, develops a color. The protective layer consists mainly of polyvinyl alcohol, combined with either an aziridine compound or dimethylolurea. This thermosensitive recording material is noted for its excellent sensitivity, density of color development, and high storage stability of recorded images.
Career Highlights
Takeshi Yuyama is currently employed at Ricoh Company, Ltd., where he continues to innovate and contribute to advancements in imaging technology. His work has been instrumental in improving the efficiency and effectiveness of imaging processes.
Collaborations
Yuyama has collaborated with notable coworkers, including Keishi Taniguchi and Shigeyuki Harada. Their combined expertise has fostered a creative environment that encourages innovation and the development of new technologies.
Conclusion
Takeshi Yuyama's contributions to the field of imaging technology through his patents and collaborative efforts highlight his role as a significant inventor. His innovative approaches to waste toner processing and thermosensitive recording materials continue to influence the industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile