This inventor holds 9 USPTO granted patents. Top assignees: Ricoh Company, Ltd., Asahi Kasei Chemicals Corporation, Dai Nippon Printing Co., Ltd.. Active years: 1999-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hitachinaka, JP (1999 - 2009)
- Ibaraki, JP (2008 - 2010)
- Tokyo, JP (2009 - 2010)
- Minato-ku, JP (2010)
- Tokyo-to, JP (2011)
Company Filing History:
5 out of 28,940 
1 out of 510 
1 out of 3,208 Years Active: 1999-2011
Title: Tsutomu Nakagawa: A Pioneer in Development Apparatus and Image Formation Technology
Introduction
Tsutomu Nakagawa is a notable inventor based in Tokyo, Japan, recognized for his significant contributions to the field of image formation technology. With a commendable portfolio of 9 patents, Nakagawa has developed innovative solutions that enhance printing processes and quality.
Latest Patents
Among his most recent inventions is a groundbreaking development apparatus featuring dual developer bearers and development chambers. This apparatus is designed to efficiently develop latent images by strategically storing and supplying developer within its chambers. The unique configuration minimizes developer transfer loss and optimizes image quality. Another important patent involves an image formation apparatus equipped with a transfer effectiveness detector, which accurately measures toner adhesion amounts on both a photo conductor and a middle transfer object. This ability not only aids in identifying abnormalities during printing but also ensures that operations are halted if transfer effectiveness falls below acceptable thresholds.
Career Highlights
Throughout his career, Tsutomu Nakagawa has made substantial contributions while working with prominent companies in the technology sector. He has gained valuable experience at renowned organizations such as Ricoh Company, Ltd. and Hitachi Koki Co., Ltd. His role in these companies has enabled him to refine his expertise and bring forth innovative inventions that have influenced the printing industry.
Collaborations
In his journey, Nakagawa has collaborated with esteemed colleagues, including Yoshitaka Fujinuma and Susumu Tateyama. These collaborations have fostered a rich exchange of ideas and led to the successful development of several key technologies in image formation and development apparatuses.
Conclusion
Tsutomu Nakagawa continues to be a vital force in advancing image processing technologies through his inventive spirit and professional partnerships. His patents not only highlight his dedication to innovation but also contribute to the evolution of printing technology, underscoring the importance of inventors in shaping modern solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile