This inventor holds 7 USPTO granted patents. Top assignees: Toshiba Kikai Kabushiki Kaisha, Fuji Jukogyo Kabushiki Kaisha, Kabushiki Kaisha Toshiba. Active years: 1993-1997.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Numazu, JP (1993 - 1997)
- Shizuoka-ken, JP (1997)
Company Filing History:
6 out of 746 
2 out of 2,208 
1 out of 53,262 
Years Active: 1993-1997
Title: Yasuhiko Nagakura: Innovator in Grinding and Polishing Technologies
Introduction
Yasuhiko Nagakura is a prominent inventor based in Numazu, Japan. He has made significant contributions to the fields of grinding and polishing technologies, holding a total of 7 patents. His innovative designs have improved efficiency and effectiveness in various industrial applications.
Latest Patents
One of his latest inventions is a grinding apparatus designed to automatically exchange polishing cloths while minimizing the generation of abrasive grain and cut chips. This apparatus features a lower turntable that is rotatably supported about a vertical shaft, and an upper turntable that is detachably placed on the lower disc. The design includes a first turntable holder for holding an unused upper turntable with a new abrasive cloth, and a second turntable holder for used upper turntables. The turntable exchanging device is equipped with chucking means to facilitate the transfer of turntables between holders. Additionally, it incorporates position determining and stopping means to ensure accurate placement.
Another notable invention is a polishing device that consists of a vertically oriented first column adjacent to a surface table. This device features a second column that can be moved up and down by a lifting drive, with an arm fitted with a polishing head. The motors driving the surface table, first column, and polishing head are directly connected or built-in, enhancing the overall functionality of the device.
Career Highlights
Yasuhiko Nagakura has worked with notable companies such as Toshiba Kikai and Fuji Jukogyo. His experience in these organizations has contributed to his expertise in developing advanced grinding and polishing technologies.
Collaborations
Throughout his career, Nagakura has collaborated with talented individuals, including Masafumi Tsunada and Shoichi Shin. These partnerships have fostered innovation and the development of cutting-edge technologies in his field.
Conclusion
Yasuhiko Nagakura's contributions to grinding and polishing technologies have made a significant impact on the industry. His inventive spirit and dedication to improving efficiency continue to inspire future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile