Tokorozawa, Japan

Kiyonori Iwama

This inventor holds 5 USPTO granted patents. Top assignees: Pioneer Electronic Corporation, Tokorozawa Electronic Corporation, Daikin Kogyo Co., Ltd.. Active years: 1976-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyonori Iwama. Retrieved from https://idiyas.com/inventor/kiyonori-iwama

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 = 3.4

ph-index = 5

Forward Citations = 141(Granted Patents)


Location History:

  • Tokorozawa, JA (1976 - 1977)
  • Tokorozawa, JP (1979 - 1981)

Company Filing History:


Years Active: 1976-1981

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5 patents (USPTO):Explore Patents

Title: Kiyonori Iwama: Innovator in Piezoelectric Materials

Introduction

Kiyonori Iwama is a notable inventor based in Tokorozawa, Japan. He has made significant contributions to the field of piezoelectric materials, holding a total of 5 patents. His work focuses on the preparation and application of polymeric piezoelectric materials, which have important implications in various electronic devices.

Latest Patents

Iwama's latest patents include a process for the preparation of a polymeric piezoelectric material. This process involves polarizing the material through a specific polarization treatment. Another significant patent describes an electro-acoustic transducer that comprises a flexible film of piezoelectric material. This transducer features multiple electrodes on either side of the film, allowing for enhanced acoustic characteristics, particularly in high-frequency ranges. The design aims to minimize distortion in reproduced sound while maintaining ease of manufacturing.

Career Highlights

Throughout his career, Kiyonori Iwama has worked with prominent companies such as Pioneer Electronic Corporation and Tokorozawa Electronic Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of piezoelectric technology.

Collaborations

Iwama has collaborated with notable individuals in his field, including Toshikazu Yoshimi and Tadasi Itagaki. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Kiyonori Iwama's contributions to the field of piezoelectric materials demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving acoustic characteristics in electronic devices, showcasing the importance of his work in the industry.

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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