This inventor holds 2 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1990-1991.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Watari, JP (1990)
- Miyagi, JP (1991)
Company Filing History:
Years Active: 1990-1991
Title: Innovations of Yoshinobu Sai
Introduction
Yoshinobu Sai is a notable inventor based in Watari, Japan. He has made significant contributions to the field of printing technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of printing machines.
Latest Patents
One of his latest patents is a sheet feeder designed for feeding sheets into copying or printing machines. This innovative sheet feeder features a movable base that is mounted on a fixed base, allowing it to move across the sheet inlet in a direction perpendicular to the sheet feeding direction. It includes two sheet tables that carry respective stacks of sheets, enabling a selected table to be positioned at the sheet inlet. A lifter mechanism elevates the supported sheets until the uppermost sheet reaches the feeding position, allowing for successive feeding into the machine.
Another significant patent is for an offset printer that has a press drum larger than its rubber drum. This printer features a printing section and a plate-making section in a unitary assembly, with the plate-making section located above the printing section. The design includes a plate drum, a rubber drum, and a press drum, with the press drum positioned at a predetermined angle relative to the rubber drum. Notably, the diameter of the press drum is at least twice that of the rubber drum, enhancing the printing capabilities of the machine.
Career Highlights
Yoshinobu Sai is associated with Ricoh Company, Ltd., a leading company in imaging and electronics. His work at Ricoh has allowed him to contribute to advancements in printing technology, making a lasting impact in the industry.
Collaborations
He has collaborated with notable coworkers such as Toshiaki Sannohe and Takayuki Onodera, further enriching his innovative endeavors.
Conclusion
Yoshinobu Sai's contributions to printing technology through his patents demonstrate his commitment to innovation and efficiency in the field. His work continues to influence the development of advanced printing solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile