Mie, Japan

Takeshi Shimokawatoko

This inventor holds 16 USPTO granted patents and 2 published patent applications, primarily in Electroacoustic Devices. Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation. Active years: 2003-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Shimokawatoko. Retrieved from https://idiyas.com/inventor/takeshi-shimokawatoko

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

Calculating rank
USPTO Granted Patents = 16 

% Patents Active = 56.3

Average Co-Inventor Count = 4.6

ph-index = 6

Forward Citations = 102(Granted Patents)


Location History:

  • Kadoma, JP (2008)
  • Hisai, JP (2006 - 2009)
  • Mie, JP (2003 - 2012)

Company Filing History:


Years Active: 2003-2012

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Areas of Expertise:
Electroacoustic Transducer
Speaker Manufacturing
Electronic Device
Loudspeaker
Mobile Communication
Electric Acoustic Converter
Audio Technology
Speaker Module
16 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Inventor Takeshi Shimokawatoko

Introduction

Takeshi Shimokawatoko is a renowned inventor based in Mie, Japan, with an impressive portfolio of 16 patents. His work primarily revolves around advancements in the field of acoustic technology, significantly impacting both the speaker and information communication sectors. With his continuous contributions, Shimokawatoko has established himself as a notable figure in innovation.

Latest Patents

Among his latest patents, two remarkable inventions stand out:

1. **Speaker and Electronic Apparatus and Device Using the Same** - This invention relates to a loudspeaker designed to accommodate a thinner size without compromising sound quality. The innovative structure allows part of the diaphragm to be inserted into a dent or an opening formed at the center poles of the magnetic circuit's lower plate, enabling the diaphragm to be stored within the height of the magnetic circuit.

2. **Electroacoustic Transducer and Electronic Device Using the Same** - This patent details an electroacoustic transducer that comprises a magnetic circuit, a frame, a diaphragm, and a voice coil, among other components. A unique feature of this design includes a terminal made from a metal plate that offers spring-like properties, which ensures an efficient electrical connection to the outside circuit through spring pressure.

Career Highlights

Takeshi Shimokawatoko has had a distinguished career, having worked with esteemed organizations such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experiences within these companies have significantly contributed to his expertise and innovative capacity in developing cutting-edge acoustic technologies.

Collaborations

Throughout his career, Shimokawatoko has collaborated with other talented professionals, including Koji Sano and Kazutaka Kubo. These collaborations have enriched his work and have fostered a creative environment that promotes the sharing of ideas and the pursuit of technological advancements.

Conclusion

In summary, Takeshi Shimokawatoko's contributions to the fields of acoustics and electronic devices are noteworthy. With his 16 patents and dedication to innovation, he continues to push the boundaries of technology, providing solutions that cater to the growing demands for thinner and more efficient devices. His legacy as an inventor serves as an inspiration to aspiring innovators around the globe.

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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