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For the Inventor, By the Inventor

Tokorozawa, Japan

Hajime Yoshino

This inventor holds 10 USPTO granted patents. Top assignee: Pioneer Corporation. Active years: 2004-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Yoshino. Retrieved from https://idiyas.com/inventor/hajime-yoshino-4d8acpf3

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 50.0

Average Co-Inventor Count = 1.3

ph-index = 5

Forward Citations = 219(Granted Patents)


Location History:

  • Saitama, JP (2006 - 2009)
  • Tokorozawa, JP (2004 - 2011)
  • Edogawa, JP (2012 - 2014)

Company Filing History:

goldMedal10 out of 2,680 
 
Pioneer Corporation
 patents

Years Active: 2004-2014

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10 patents (USPTO):Explore Patents
1. 8831235 - Speaker polarity determination device (2014-09-09),
2. 8208648 - Sound field reproducing device and sound field reproducing method (2012-06-26),
3. 8031876 - Audio system (2011-10-04),
4. 7489784 - Automatic sound field correcting device and computer program therefor (2009-02-10),
5. 7477750 - Signal delay time measurement device and computer program therefor (2009-01-13),
6. 7409067 - Method and apparatus for adjusting frequency characteristic of signal (2008-08-05),
7. 7143649 - Sound characteristic measuring device, automatic sound field correcting device, sound characteristic measuring method and automatic sound field correcting method (2006-12-05),
8. 7054448 - Automatic sound field correcting device (2006-05-30),
9. 6901148 - Automatic sound field correcting device (2005-05-31),
10. 6813577 - Speaker detecting device (2004-11-02),

Title: Hajime Yoshino: Innovator in Audio Technology

Introduction

Hajime Yoshino is a prominent inventor based in Tokorozawa, Japan. He has made significant contributions to the field of audio technology, holding a total of 10 patents. His work focuses on enhancing sound reproduction and speaker technology, making him a key figure in the industry.

Latest Patents

Yoshino's latest patents include a speaker polarity determination device and a sound field reproducing device. The speaker polarity determination device is designed to ascertain the polarity of a speaker connected to output terminals. It outputs test sound to an acoustic space via the connected speaker, which is then collected by a microphone. A reference signal is generated based on the test signal, and a polarity determining unit compares frequency range components of the microphone signal and the reference signal to determine the speaker's polarity.

The sound field reproducing device, on the other hand, includes a signal obtaining unit that captures input audio signals from multiple channels. It features an effect adding unit that enhances the output to create a sound field and an effect amount control unit that adjusts the effect based on the characteristics of the input audio signal. This device is capable of receiving audio signals from various media, such as DVDs, and applies sound effects accordingly.

Career Highlights

Hajime Yoshino is currently employed at Pioneer Corporation, a leading company in the audio and electronics industry. His innovative work has positioned him as a valuable asset to the company, contributing to advancements in audio technology.

Collaborations

Yoshino has collaborated with notable coworkers, including Kazuya Tsukada and Susumu Yamamoto. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge audio solutions.

Conclusion

Hajime Yoshino's contributions to audio technology through his patents and work at Pioneer Corporation highlight his role as an influential inventor. His dedication to improving sound reproduction continues to impact the industry positively.

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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