Location History:
- Kawasaki, JP (1994)
- Yokohama, JP (2000 - 2014)
Company Filing History:
6 out of 42,485 
2 out of 1,257 
1 out of 129 
Years Active: 1994-2014
Title: Hironari Masui: Innovator in Mobile Communication Technology
Introduction
Hironari Masui is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of mobile communication technology, holding a total of 10 patents. His work has been instrumental in advancing communication systems, particularly in the area of CDMA technology.
Latest Patents
Masui's latest patents include a CDMA mobile communication system and communication method. This innovative radio communication system features a base station and multiple radio terminals. Each radio terminal, upon having a transmission request, transmits a reservation packet at arbitrary timing through a reservation channel in accordance with a CDMA scheme. The base station then assigns a traffic channel and a time slot to each radio terminal requesting a reservation through a reply packet outputted onto a reply channel. Additionally, a short spreading code corresponding to a matched filter is applied on the reservation channel. Another notable patent is the maximum likelihood decoding method and receiver. This method involves arranging channel impulse responses corresponding to received signals in various orders and generating channel matrices. The process includes obtaining triangular matrices through QR decomposition and selecting combination candidates to minimize the Euclidean distance between them.
Career Highlights
Throughout his career, Hironari Masui has worked with notable companies such as Hitachi, Ltd. and Hitachi Kokusai Electric Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in mobile communication technology.
Collaborations
Masui has collaborated with esteemed colleagues, including Takashi Yano and Nobukazu Doi. Their combined expertise has contributed to the successful development of advanced communication technologies.
Conclusion
Hironari Masui's contributions to mobile communication technology have had a lasting impact on the industry. His innovative patents and collaborations with leading professionals highlight his role as a key figure in advancing communication systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.