Location History:
- Odawara, JP (1986)
- Kanagawa, JP (1994 - 1996)
Company Filing History:
2 out of 16,458 
1 out of 3 Years Active: 1986-1996
Title: Kazutoshi Machida: Innovator in Disc Cartridge Technology
Introduction
Kazutoshi Machida is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of disc cartridge technology, holding a total of three patents. His work focuses on improving the functionality and design of shutters used in disc cartridges.
Latest Patents
One of Machida's latest patents is a method for producing a shutter for a disc cartridge. This invention includes a cartridge case that houses a disc-shaped recording medium, allowing for the recording and reproduction of predetermined information signals. The shutter is designed to slide open and close an opening on the cartridge case, exposing part of the disc-shaped recording medium. The shutter consists of an upper main plate, a lower main plate, and a coupling plate, all molded together in a U-shaped cross-sectional contour to securely hold the cartridge case. Additionally, a gate for molding operations is strategically placed to remain within the effective opening region of the cartridge.
Another significant patent by Machida is for a synthetic resin disc cartridge shutter featuring a non-engaging raised gate. Similar to his previous invention, this shutter allows for the sliding opening and closing of the cartridge case. The design includes an upper main plate, a lower main plate, and a coupling plate, ensuring the cartridge case is held firmly in place. The positioning of the molding gate is also optimized to stay within the effective opening region.
Career Highlights
Kazutoshi Machida has worked with prominent companies in the industry, including Fuji Photo Film Company, Limited and Fuji Photo Film Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions for disc cartridge technology.
Collaborations
Machida has collaborated with notable coworkers such as Tsutomu Sugisaki and Ikuo Taki. Their combined efforts have likely played a role in advancing the technology related to disc cartridges.
Conclusion
Kazutoshi Machida's contributions to disc cartridge technology through his patents and career experiences highlight his role as an influential inventor in this field. His innovative designs continue to impact the way information is recorded and reproduced in disc cartridges.
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.