Location History:
- Nara, JA (1976 - 1978)
- Nara, JP (1978 - 1982)
- Yamatokouriyama, JP (1995)
- Yamatokoriyama, JP (1983 - 1996)
Company Filing History:
18 out of 25,577 
12 out of 522 Years Active: 1976-1996
Title: **The Innovative Path of Yuji Sumitomo**
Introduction
Yuji Sumitomo, a prominent inventor based in Nara, Japan, has made significant contributions to the fields of sound recording and data reproduction. With an impressive portfolio of 18 patents to his name, he is recognized for his innovative approaches to audio technology, leveraging semiconductor memory for advanced recording systems.
Latest Patents
Among his latest patents, Sumitomo has developed a **Recording and Reproducing System for Selectively Reproducing Portions of Sound**. This system features a recording and reproducing apparatus that employs semiconductor memory as a recording medium. It includes index recording means that store retrieval information, allowing users to access specific audio segments efficiently. Additionally, his patent for **Recording and Reproducing Data Using Batch Erasable Nonvolatile Memory** outlines a process for managing multiple data groups within semiconductor memories. This innovative approach includes the use of a spare memory, making it easier to erase and manage data without disrupting other stored information.
Career Highlights
Throughout his career, Yuji Sumitomo has been associated with influential companies such as Sharp Kabushiki Kaisha Corporation and Nippon Telegraph and Telephone Public Corporation. His work in these esteemed organizations has allowed him to push the boundaries of audio technology and memory systems.
Collaborations
Sumitomo has collaborated with talented peers, including Rikuo Takano and Yoichi Yamamoto. Their joint efforts have culminated in impactful innovations that enhance sound reproduction and data handling, showcasing the synergy of teamwork in technological advancements.
Conclusion
Yuji Sumitomo's contributions to innovation in sound recording and data management reflect his commitment to advancing technology. His patents are a testament to his inventive spirit and dedication to pushing the limits of what is possible, establishing him as a significant figure in the world of audio technology.