Company Filing History:
2 out of 307 
1 out of 142 
Years Active: 1990-1993
Title: Mutsumi Aruga: Innovator in Electronic Sound and Tape Detection Technologies
Introduction
Mutsumi Aruga is a notable inventor based in Nagano, Japan. He has made significant contributions to the fields of electronic sound generation and tape detection technologies. With a total of 2 patents to his name, Aruga's work showcases his innovative spirit and technical expertise.
Latest Patents
Aruga's latest patents include an electronic sound generating device and a tape edge detecting method and device. The electronic sound generating device features an integrated circuit chip that produces electronic signals corresponding to a desired melody. It includes a switch for controlling the ON and OFF states, a battery for power, and a sound generator with a dish-shaped vibrating plate. The device is designed to produce sounds responsive to the electronic signals, with a circuit pattern section formed by punching a conductive metal sheet. Additionally, the invention describes methods for forming the device, including the use of an acoustic chamber and a resin seal over the integrated circuit chip.
The tape edge detecting device consists of a head unit with a writing head and two reading heads, which are movable in the widthwise direction of a magnetic tape. This device detects signals recorded on the tape and includes a comparison means for analyzing the outputs of the reading heads. The edge of the magnetic tape is detected using the output from this comparison means, showcasing Aruga's innovative approach to tape detection.
Career Highlights
Throughout his career, Mutsumi Aruga has worked with several prominent companies, including Kabushiki Kaisha Sankyo Seiki Seisakusho and Nakamichi Corporation. His experience in these organizations has contributed to his development as an inventor and has allowed him to refine his skills in technology and innovation.
Collaborations
Aruga has collaborated with notable individuals in the industry, including Tadayuki Itakura and Makoto Orii. These collaborations have likely enriched his work and provided valuable insights into the fields of electronics and sound technology.
Conclusion
Mutsumi Aruga's contributions to electronic sound generation and tape detection technologies highlight his innovative capabilities and dedication to advancing these fields. His patents reflect a commitment to creating practical solutions that enhance technology.