Saitama, Japan

Kiyoshi Iwai

This inventor holds 3 USPTO granted patents. Top assignee: Pioneer Electronic Corporation. Active years: 1990-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Iwai. Retrieved from https://idiyas.com/inventor/kiyoshi-iwai-3to250o4

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.6

ph-index = 3

Forward Citations = 43(Granted Patents)


Company Filing History:


Years Active: 1990-1992

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3 patents (USPTO):Explore Patents

Title: Kiyoshi Iwai: Innovator in Digital Audio Technology

Introduction

Kiyoshi Iwai is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of digital audio technology, particularly through his innovative patents. With a total of 3 patents, Iwai has demonstrated his expertise and creativity in developing advanced audio recording methods.

Latest Patents

One of Kiyoshi Iwai's latest patents is a digital audio tape recorder and a music program jump selecting method. This invention focuses on enhancing the functionality of digital audio tape recorders, especially in music program jump selecting modes. In one embodiment, the state of an erasure-preventing tab is detected, allowing the transfer of TOC (Table-Of-Contents) information from the tape to a TOC information memory only when the tab indicates an unrecordable state. Additionally, when the music program number of the currently reproduced selection is known and aligned, a target music program number is calculated and displayed, improving user experience and accessibility.

Career Highlights

Kiyoshi Iwai is associated with Pioneer Electronic Corporation, a leading company in the electronics industry. His work at Pioneer has allowed him to focus on developing cutting-edge audio technologies that cater to the evolving needs of consumers. His innovative spirit and technical skills have positioned him as a key player in the field.

Collaborations

Throughout his career, Iwai has collaborated with talented individuals such as Masami Tsuchida and Kiichiro Koguchi. These collaborations have fostered a creative environment that has led to the development of groundbreaking audio technologies.

Conclusion

Kiyoshi Iwai's contributions to digital audio technology through his patents and work at Pioneer Electronic Corporation highlight his role as an influential inventor. His innovative approaches continue to shape the future of audio recording and playback.

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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