Company Filing History:
10 out of 25,560 
2 out of 2 Years Active: 1979-2005
Title: Mitsunobu Yoshida: Innovator in Disk Cartridge Technology
Introduction
Mitsunobu Yoshida is a notable inventor based in Tenri, Japan. With a total of 10 patents to his name, Yoshida has significantly contributed to the field of disk cartridge technology. His work emphasizes innovation and practicality, resulting in devices that enhance user experience and efficiency.
Latest Patents
Yoshida’s latest inventions reflect his focus on compact and functional designs. His first patent describes a disk cartridge that achieves a small size yet maintains sufficient portability. The dimensions of this disk cartridge measure 58 mm (L) × 54 mm (W) × 4 mm (H), with a thickness of less than 5 mm and an area smaller than 65 mm². Another significant patent is for a disc cartridge that incorporates a magneto-optical disc. This cartridge is designed to store the disc in a rotatable manner, featuring an opening that ensures smooth loading. The opening is strategically longer on the forward side compared to the backward side, optimizing the insertion process and enhancing usability.
Career Highlights
Yoshida has worked with prominent companies, including Sharp Corporation and Kabushiki Kaisha Takarabune. His tenure at these organizations has allowed him to develop his innovative ideas and contribute to cutting-edge technology in disk cartridge design.
Collaborations
Throughout his career, Yoshida has collaborated with talented individuals like Masaji Nakatani and Chiaki Yamawaki. These partnerships have fostered an environment of creativity and innovation, furthering the development of groundbreaking products in the industry.
Conclusion
Mitsunobu Yoshida stands out as a visionary inventor in the realm of disk cartridge technology. His impressive portfolio of patents and collaborations underscores his commitment to innovation and advancing technological solutions in an ever-evolving market. As the demand for compact and efficient data storage continues to rise, Yoshida's contributions will undoubtedly play a vital role in shaping the future of this industry.