Fujisawa, Japan

Takao Harakawa

This inventor holds 2 USPTO granted patents, plus 2 CIPO patents. Top assignees: Hitachi, Ltd., Matsushita Electric Industrial Co., Ltd.. Active years: 1996-1997.

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

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 = 4.4

ph-index = 2

Forward Citations = 31(Granted Patents)


Company Filing History:


Years Active: 1996-1997

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2 patents (USPTO):Explore Patents

Title: The Innovations of Takao Harakawa

Introduction

Takao Harakawa is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of mobile radio communication, holding a total of 2 patents. His work has influenced the development of communication systems that enhance connectivity and efficiency.

Latest Patents

Harakawa's latest patents include a mobile radio communication system employing time division multiple access. This system features a plurality of base stations and personal stations, allowing for efficient communication by utilizing pilot signals. When a base station detects a pilot signal from a master base station, it operates as a slave base station, facilitating communication without transmitting its own pilot signal. Conversely, when no pilot signal is received, the base station can act as a master, searching for available frequency channels to establish communication.

Another significant patent is the time division multiple access mobile wireless telecommunication system. This system allows a base station to select frequencies based on priority, ensuring that communication is initiated on the highest priority frequency available. The base station also transmits a pilot signal to prevent interruptions from other wireless systems.

Career Highlights

Throughout his career, Takao Harakawa has worked with prominent companies such as Hitachi, Ltd. and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in mobile communication technologies.

Collaborations

Harakawa has collaborated with notable coworkers, including Toshiro Suzuki and Izumi Horikawa. Their combined efforts have further advanced the innovations in mobile communication systems.

Conclusion

Takao Harakawa's contributions to mobile radio communication have paved the way for advancements in the field. His patents reflect a deep understanding of communication systems and their practical applications. His work continues to influence the industry and enhance connectivity for users worldwide.

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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