Hyogo, Japan

Akira Motojima

This inventor holds 7 USPTO granted patents, plus 2 CIPO patents. Top assignees: Fujitsu Ten Limited, Time Domain Corporation. Active years: 1991-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Motojima. Retrieved from https://idiyas.com/inventor/akira-motojima

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


% Patents Active = 57.1


Average Co-Inventor Count = 3.5

ph-index = 6

Forward Citations = 80(Granted Patents)


Location History:

  • Akashi, JP (1991 - 1994)
  • Hyogo, JP (2005 - 2006)
  • Kobe, JP (2008)

Company Filing History:


Years Active: 1991-2008

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7 patents (USPTO):Explore Patents

Title: Akira Motojima: Innovator in Navigation and Sound Systems

Introduction

Akira Motojima is a notable inventor based in Hyogo, Japan, recognized for his contributions to navigation and sound system technologies. With a total of 7 patents, he has made significant advancements that enhance user experience in various applications.

Latest Patents

One of his latest inventions is a navigation apparatus designed to improve the guidance of vehicles. This apparatus includes a guidance-information creating unit that generates guidance information based on preset route and current position data. Additionally, it features an acoustic-image creating unit that produces an acoustic image to notify drivers of the guidance information. The acoustic-image control unit adjusts various parameters of the acoustic image according to the vehicle's current position and the guiding position in the route information. Another significant patent is for a multi-channel sound system. This system allows for appropriate output control without compromising the integrity of the program content. It includes gain controllers for both left or right channel signals and the center channel signal, ensuring balanced sound reproduction across multiple channels.

Career Highlights

Throughout his career, Akira Motojima has worked with prominent companies such as Fujitsu Ten Limited. His work has focused on developing innovative technologies that address real-world challenges in navigation and audio systems.

Collaborations

He has collaborated with talented individuals in the field, including Akira Nishikawa and Hiroyuki Yoshii, who have contributed to his projects and innovations.

Conclusion

Akira Motojima's work exemplifies the spirit of innovation in technology, particularly in navigation and sound systems. His patents reflect a commitment to enhancing user experience through thoughtful design and engineering.

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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