This inventor holds 2 USPTO granted patents. Top assignees: Copal Company Limited, Nidec Copal Corporation. Active years: 1991-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1991-2015
Title: Ryoichi Umezawa: Innovator in Laser Technology and Magnetic Tape Manipulation
Introduction
Ryoichi Umezawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of laser technology and magnetic tape manipulation. With a total of 2 patents, Umezawa's work showcases his innovative spirit and technical expertise.
Latest Patents
One of Umezawa's latest patents is a laser marker. This device includes a laser irradiation component that directs a laser beam onto a card, supported by a base unit. The design features a drive roller that contacts the card's lower surface and a rotation member that can switch between holding and withdrawn positions. The holding position allows the rotation member to secure the card while the laser beam is in operation. Additionally, a pinch roller works in conjunction with the drive roller to transport the card, while a prism refracts the laser beam when in the holding position.
Another significant patent is for an apparatus designed to manipulate a magnetic tape cartridge. This tape drive allows for the withdrawal of a magnetic tape along with a leader block from a cartridge, facilitating the recording and reproduction of information. The design incorporates a single power source that manages multiple functions, including the opening and closing of the housing door, vertical movement, leader block displacement, and the ejection of the tape cartridge.
Career Highlights
Throughout his career, Umezawa has worked with prominent companies such as Copal Company Limited and Nidec Copal Corporation. His experience in these organizations has contributed to his development as an inventor and innovator in his field.
Collaborations
Umezawa has collaborated with talented individuals, including Munetaka Shimizu and Tomohisa Ugajin. These partnerships have likely enriched his work and led to further advancements in technology.
Conclusion
Ryoichi Umezawa's contributions to laser technology and magnetic tape manipulation highlight his innovative capabilities. His patents reflect a commitment to advancing technology and improving existing systems. Umezawa's work continues to influence the fields in which he operates.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile