Company Filing History:
Years Active: 1999-2004
Title: Hirofumi Takagi: Innovator in CDMA Technology
Introduction
Hirofumi Takagi is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of telecommunications, particularly in the development of code generation and CDMA radio receiver technologies. With a total of four patents to his name, Takagi's work has had a lasting impact on the industry.
Latest Patents
Takagi's latest patents include a "Simultaneous Plural Code Series Generator" and a "CDMA Radio Receiver Using Same." The first patent describes a method where an exclusive OR of outputs from multiple shift stages of an M-series generator is formed. This process allows for the generation of an M-series with a desired delay, such as a three-bit delay relative to the output code from the generator. Additionally, outputs from several shift stages are combined to provide another delayed M-series. The second patent outlines a CDMA radio receiver that features multiple reception fingers for dispreading a received signal using various spread codes to extract data. This receiver includes a plural code generator that simultaneously generates and supplies spread codes to the reception fingers, enhancing the efficiency of data reception.
Career Highlights
Hirofumi Takagi is currently employed at NTT Mobile Communications Network, Inc., where he continues to innovate in the telecommunications sector. His work has been instrumental in advancing the capabilities of mobile communication technologies.
Collaborations
Throughout his career, Takagi has collaborated with notable colleagues, including Akihiro Higashi and Shinsuke Ogawa. These partnerships have contributed to the successful development of his patented technologies.
Conclusion
Hirofumi Takagi's contributions to telecommunications, particularly in CDMA technology, highlight his role as a key innovator in the field. His patents reflect a commitment to advancing communication technologies, ensuring that his work will influence future developments in the industry.
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.