Saitama, Japan

Itsuma Tsugami

This inventor holds 1 USPTO granted patent. Top assignees: Ricoh Company, Ltd., Ricos Co., Ltd.. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Itsuma Tsugami. Retrieved from https://idiyas.com/inventor/itsuma-tsugami

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 = 2.0

ph-index = 1

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: Innovations of Itsuma Tsugami

Introduction

Itsuma Tsugami is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of karaoke technology. His innovative approach has led to the development of a unique device that enhances the karaoke experience for users.

Latest Patents

One of Tsugami's key inventions is a backing chorus reproducing device in a karaoke device. This device allows for the human backing chorus to be PCM coded and combined with MIDI Standard based instrumental sound to produce high-quality karaoke music. The device ensures that the instrumental sound and the chorus sound are played back in perfect synchronization. It includes a communications controller, an input/output device for music selection, and a memory for storing karaoke information. The main controller analyzes the karaoke information and outputs the electronic musical sound data and backing chorus data in synchronism.

Career Highlights

Throughout his career, Tsugami has worked with reputable companies such as Ricos Co., Ltd. and Ricoh Company, Ltd. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Tsugami has collaborated with various professionals in the field, including his coworker Toshihiko Umeda. Their combined efforts have led to advancements in karaoke technology and enhanced user experiences.

Conclusion

Itsuma Tsugami's contributions to karaoke technology through his innovative backing chorus reproducing device demonstrate his commitment to enhancing musical experiences. His work continues to influence the industry and inspire future innovations.

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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