Location History:
- Tokyo, JP (1997)
- Higashiyamato-shi, Tokyo JP (2002 - 2005)
- Tokyo JP (2005)
- Higashiyamato, JP (2007 - 2010)
Company Filing History:
3 out of 89 
1 out of 1 
1 out of 1 
Years Active: 1997-2010
Title: Noriyoshi Kuroyanagi: Innovator in CDMA Technology
Introduction
Noriyoshi Kuroyanagi is a prominent inventor based in Higashiyamato, Japan. He has made significant contributions to the field of communications technology, particularly in code division multiple access (CDMA) systems. With a total of six patents to his name, Kuroyanagi's work has advanced the efficiency and effectiveness of wireless communication.
Latest Patents
Kuroyanagi's latest patents include a "Decorrelating Discrimination System of Code Division Multiple Access Signals." This invention features a system structure composed of multiple cells, each containing a base station and several user stations. The user stations are equipped with user transmitters and receivers that communicate through a multi-access channel with the base station. The base station receiver utilizes a minimum mean square error detector to analyze received signals containing data from multiple users.
Another notable patent is the "CDMA Communications System Using Multiple Spreading Sequences." This invention enhances spectrum efficiency while minimizing transmit power. It includes transmitters that select core sequences from multiple sequences to convey various data. The system also features a receiver that demodulates received symbols and separates components corresponding to the selected sequences.
Career Highlights
Throughout his career, Kuroyanagi has worked with various companies, including Toyo Communication Equipment Co., Ltd. His innovative contributions have played a crucial role in the development of advanced communication systems.
Collaborations
Kuroyanagi has collaborated with notable individuals in the field, including Naoki Suehiro and Satoru Ozawa. These partnerships have further enriched his work and expanded the impact of his inventions.
Conclusion
Noriyoshi Kuroyanagi's contributions to CDMA technology have significantly influenced the landscape of wireless communication. His innovative patents demonstrate a commitment to enhancing communication systems, making him a key figure in the field.