Company Filing History:
10 out of 35,689 
6 out of 5,290 
4 out of 52,730 
Years Active: 1989-1996
Title: Innovations of Toshihiro Hara
Introduction
Toshihiro Hara is a prominent inventor based in Tokyo, Japan. He holds a total of 10 patents that showcase his contributions to the field of communication technology. His work has significantly impacted the development of radio communication systems.
Latest Patents
One of Hara's latest patents is a quadrature modulator for TDMA/TDD radio communication apparatus. This invention addresses the issue of cochanncl interference in radio telephone apparatuses by utilizing a frequency division modulator. The modulator effectively prevents interference by stopping its operation during signal reception. Another notable patent is for a cordless key telephone system featuring a zone switching function. This system allows a cordless station to establish a two-way radio channel with an access unit while monitoring field intensity. It can transmit a zone switching signal when the station moves between service zones, ensuring seamless communication.
Career Highlights
Throughout his career, Hara has worked with notable companies such as NEC Corporation and Nippon Telegraph and Telephone Corporation. His experience in these organizations has contributed to his expertise in communication technologies and innovations.
Collaborations
Hara has collaborated with several talented individuals in his field, including Koji Ono and Akio Yotsutani. These collaborations have fostered a creative environment that has led to significant advancements in their respective projects.
Conclusion
Toshihiro Hara's innovative contributions to communication technology, particularly through his patents, highlight his role as a leading inventor in the industry. His work continues to influence the development of modern communication systems.