This inventor holds 15 USPTO granted patents, primarily in Printing Technology. Top assignees: Tohoku Ricoh Co., Ltd., Ricoh Company, Ltd., Other. Active years: 1989-2007.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Sendai, JP (1998)
- Watari-gun, JP (2000 - 2004)
- Miyagi, JP (1989 - 2007)
Company Filing History:

Years Active: 1989-2007
Areas of Expertise:
Title: Hironobu Takasawa: Innovator in Printing Technology
Introduction
Hironobu Takasawa is a notable inventor based in Watari-gun, Japan. He has made significant contributions to the field of printing technology, holding a total of 15 patents. His innovative designs and methods have advanced the efficiency and quality of printing processes.
Latest Patents
One of Takasawa's latest patents is a printer that features a timing belt passed over drive pulleys, each mounted on a specific print drum. This design includes phase adjusting means and deflection pulleys or rotary members. The deflection pulleys rotate in contact with the rear surface of the timing belt, which is ground to have a uniform thickness. This configuration eliminates the deviation of relative phase between the rotary members and offset ghosts caused by irregular thickness, all while maintaining a low-cost design. Another significant patent is a multicolor printing method that utilizes multiple ink drums, each loaded with a respective master. This system allows for the replacement of ink drums with fixed master feeding devices, enhancing cost-effectiveness, downsizing, and accurate registration between the masters.
Career Highlights
Throughout his career, Hironobu Takasawa has worked with prominent companies such as Tohoku Ricoh Co., Ltd. and Ricoh Company, Ltd. His experience in these organizations has contributed to his expertise in printing technology and innovation.
Collaborations
Takasawa has collaborated with notable coworkers, including Keiichi Chiba and Manabu Wakamatsu. Their joint efforts have furthered advancements in the printing industry.
Conclusion
Hironobu Takasawa's contributions to printing technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile