Hirakata, Japan

Junnosuke Shigeta

This inventor holds 3 USPTO granted patents. Top assignees: Matsushita Electric Industrial Co., Ltd., Matsushita Electrical Industrial Co., Ltd.. Active years: 1978-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junnosuke Shigeta. Retrieved from https://idiyas.com/inventor/junnosuke-shigeta

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 5(Granted Patents)


Location History:

  • Hirakata, JA (1978)
  • Hirakata, JP (1978 - 1983)

Company Filing History:


Years Active: 1978-1983

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3 patents (USPTO):Explore Patents

Title: Junnosuke Shigeta: Innovator in Electronic Musical Instruments

Introduction

Junnosuke Shigeta is a notable inventor from Hirakata, Japan, recognized for his contributions to the field of electronic musical instruments. With a total of 3 patents to his name, Shigeta has made significant advancements that enhance the functionality and versatility of electronic music devices.

Latest Patents

Shigeta's latest patents include an innovative electronic musical instrument that features a generator assigner for supplying note data and octave data through key stroke entry. This instrument incorporates a top octave synthesizer that generates 12 of the highest pitch signals for each note. Additionally, it includes a circuit for selecting one highest pitch signal from these 12 signals based on note data, along with a binary counter that divides the selected signal to produce several pitch signals. The circuits are controlled by both octave data and note data, allowing for the generation of octave series tone signals and non-octave series tone signals, such as quint series tone signals.

Another significant patent is a waveform converter designed for use in generating music tones in electronic musical instruments, such as electronic organs. This converter periodically or transiently alters the frequency spectrum of an output signal waveform by changing the pulse duration or duty factor of an input square wave, enhancing the tonal quality of the music produced.

Career Highlights

Throughout his career, Junnosuke Shigeta has worked with prominent companies, including Matsushita Electric Industrial Co., Ltd. and Matsushita Electrical Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in electronic music technology.

Collaborations

Shigeta has collaborated with notable individuals in the industry, including Tetsuhiko Kaneaki and Kazuhiko Murase. These collaborations have likely influenced his innovative approach to electronic musical instruments.

Conclusion

Junnosuke Shigeta's work in the realm of electronic musical instruments showcases his inventive spirit and dedication to enhancing musical technology. His patents reflect a deep understanding of sound generation and manipulation, making him a significant figure in the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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