Company Filing History:
2 out of 42,517 
1 out of 27,375 
Years Active: 1996-1997
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.