Location History:
- Numazu, JP (1994 - 1997)
- Shizuoka-ken, JP (1997)
Company Filing History:
6 out of 746 
2 out of 52,711 
2 out of 2,208 
Years Active: 1994-1997
Title: Masafumi Tsunada: Innovator in Grinding and Polishing Technologies
Introduction
Masafumi Tsunada is a notable 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 focus on enhancing efficiency and precision in industrial applications.
Latest Patents
One of Tsunada's 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. It includes a first turntable holder for an unused upper turntable with a new abrasive cloth, and a second holder for used upper turntables. The turntable exchanging device is equipped with chucking means to facilitate the transfer of turntables between holders, ensuring a seamless operation.
Another significant invention is a polishing apparatus that comprises a polishing mechanism for wafers, an attaching-detaching device, a cleaning device, and a transportation device. These components are organized into separate compartments within a working chamber, which is divided by partitioning devices. The apparatus is designed to maintain controlled internal pressures and can generate laminar airflow within each compartment, enhancing the polishing process.
Career Highlights
Throughout his career, Masafumi Tsunada has worked with prominent companies such as Toshiba Kikai Kabushiki Kaisha and Toshiba Corporation. His experience in these organizations has contributed to his expertise in developing advanced machinery for grinding and polishing applications.
Collaborations
Tsunada has collaborated with notable professionals in his field, including Shoichi Shin and Yasuhiko Nagakura. Their collective efforts have furthered the development of innovative technologies in the industry.
Conclusion
Masafumi Tsunada's contributions to grinding and polishing technologies demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of industrial needs and a drive to improve existing processes.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.