Location History:
- Zushi, JP (2003)
- Koganei, JP (2000 - 2008)
- Musashino, JP (2010)
- Kanagawa, JP (2003 - 2011)
Company Filing History:
Years Active: 2000-2011
Title: Innovations of Hiroki Morikawa
Introduction
Hiroki Morikawa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of mobile communication systems, holding a total of 12 patents. His work has been instrumental in advancing the technology that underpins modern communication networks.
Latest Patents
One of Morikawa's latest patents is a base station apparatus for mobile communication systems. This innovative base station includes a transmitting and receiving amplifier designed to amplify CDMA signals exchanged with mobile stations. It features a radio stage that performs D/A conversion of transmitted signals, which undergo baseband spreading followed by quadrature modulation. Additionally, it carries out quasi-coherent detection of received signals, followed by A/D conversion. The baseband signal processor connected to the radio stage is responsible for processing both transmitted and received signals. Furthermore, a transmission interface is implemented to connect with external channels, while a base station controller manages radio channels, including their establishment and release. The base station effectively communicates with external channels by mapping logical channels into physical channels, utilizing both short and long codes for spreading CDMA signals.
Career Highlights
Throughout his career, Hiroki Morikawa has worked with notable companies such as NTT Docomo, Inc. and NTT Mobile Communications Network, Inc. His experience in these organizations has allowed him to develop and refine his expertise in mobile communication technologies.
Collaborations
Morikawa has collaborated with esteemed colleagues, including Motoshi Tamura and Masatomo Nakano. Their joint efforts have contributed to the advancement of innovative solutions in the telecommunications sector.
Conclusion
Hiroki Morikawa's contributions to mobile communication technology through his patents and collaborations highlight his significant role as an inventor. His work continues to influence the development of communication systems, ensuring a lasting impact on 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.