Higashihiroshima, Japan

Keiji Takao

This inventor holds 2 USPTO granted patents. Top assignee: Mazda Motor Corporation. Active years: 1993-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Takao. Retrieved from https://idiyas.com/inventor/keiji-takao

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 = 3.1

ph-index = 2

Forward Citations = 203(Granted Patents)


Company Filing History:


Years Active: 1993-1994

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Keiji Takao: Innovator in Navigation and Radio Technology

Introduction

Keiji Takao is a prominent inventor based in Higashihiroshima, Japan. He has made significant contributions to the field of vehicle navigation and radio technology. With a total of 2 patents to his name, Takao continues to push the boundaries of innovation in the automotive industry.

Latest Patents

One of Takao's latest patents is a navigation apparatus for vehicles. This innovative system features a display device that shows road information. The navigation system is designed to selectively display relevant road information based on the vehicle's current position and the driver's demands. This capability allows for a more efficient and user-friendly navigation experience.

Another notable patent is for a vehicular radio receiver that incorporates muting circuitry to suppress unwanted noises. This receiver includes a main body located near the vehicle's antenna and an operation unit situated in the vehicle's compartment. The design ensures that noises caused by pulse signals transmitted to the receiver are effectively prevented from being heard through the vehicle's speakers.

Career Highlights

Keiji Takao is currently employed at Mazda Motor Corporation, where he applies his expertise in developing advanced automotive technologies. His work has significantly contributed to enhancing the driving experience for users.

Collaborations

Throughout his career, Takao has collaborated with talented individuals such as Tatsuaki Taniguchi and Masaki Kakihara. These collaborations have fostered innovation and creativity in their projects.

Conclusion

Keiji Takao is a dedicated inventor whose work in navigation and radio technology has made a lasting impact on the automotive industry. His innovative patents reflect his commitment to improving vehicle functionality and user experience.

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…