logo

For the Inventor, By the Inventor

Tsurugashima, Japan

Koichi Nagaki

This inventor holds 9 USPTO granted patents and 1 published patent application. Top assignee: Pioneer Corporation. Active years: 2003-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Nagaki. Retrieved from https://idiyas.com/inventor/koichi-nagaki

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

Calculating rank
USPTO Granted Patents = 9 

% Patents Active = 66.7

Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 193(Granted Patents)


Company Filing History:

goldMedal9 out of 2,680 
 
Pioneer Corporation
 patents

Years Active: 2003-2007

Loading Chart...
9 patents (USPTO):Explore Patents
1. 7194322 - Audio information reproducing apparatus, movable body, and audio information reproduction controlling system (2007-03-20),
2. 7075745 - Disk drive (2006-07-11),
3. 6937417 - Disk drive device (2005-08-30),
4. 6876922 - Navigation system (2005-04-05),
5. 6771447 - Disc drive apparatus (2004-08-03),
6. 6738710 - Navigation system (2004-05-18),
7. 6600993 - Navigation system (2003-07-29),
8. 6556920 - Navigation system (2003-04-29),
9. 6553309 - Navigation system (2003-04-22),

Title: Koichi Nagaki: Innovator in Audio Information Technology

Introduction

Koichi Nagaki is a prominent inventor based in Tsurugashima, Japan. He has made significant contributions to the field of audio information technology, holding a total of 9 patents. His work focuses on enhancing the way audio information is reproduced and controlled.

Latest Patents

One of his latest patents is an audio information reproducing apparatus. This innovative device includes a memory for storing audio information, such as multiple music compositions. It features a transmitting device that sends correspondence information, like music list information, to an external portion. Additionally, it has an obtaining device that retrieves reproduction control information to manage how each piece of audio is played. The controlling device then reproduces the audio while adhering to the specified reproduction manner based on the obtained information. Another notable patent is related to a disk drive apparatus designed to restore a head to a retract position when power voltage drops significantly. This apparatus ensures that the head moves towards the retract position upon detecting a minor decrease in power voltage.

Career Highlights

Koichi Nagaki is currently associated with Pioneer Corporation, a leading company in the audio and video technology sector. His work at Pioneer has allowed him to develop cutting-edge technologies that enhance user experiences in audio reproduction.

Collaborations

Throughout his career, Nagaki has collaborated with notable colleagues, including Michihiro Kaneko and Keiichi Yamauchi. These collaborations have contributed to the advancement of audio technology and innovation.

Conclusion

Koichi Nagaki's contributions to audio information technology through his patents and work at Pioneer Corporation highlight his role as a key innovator in the field. His inventions continue to influence how audio information is reproduced and controlled, showcasing the importance of innovation in technology.

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]
Loading…