This inventor holds 2 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 2006-2009.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hitachinaka, JP (2006)
- Higashiyamato, JP (2009)
Company Filing History:
Years Active: 2006-2009
Title: Masanobu Kumekawa: Innovator in Mobile Communication Technology
Introduction
Masanobu Kumekawa is a notable inventor based in Higashiyamato, Japan. He has made significant contributions to the field of mobile communication technology, holding 2 patents that showcase his innovative approach to enhancing mobile devices.
Latest Patents
Kumekawa's latest patents include advancements in mobile terminals and mobile communication devices. One of his patents focuses on a cell phone that optimally connects an antenna to a reception circuit for space diversity. This design incorporates a first antenna for radio communication, a transmission-reception circuit, and a GPS reception circuit, allowing for efficient signal exchange with a base station and GPS satellites. The switch unit in this invention enables seamless transitions between antennas based on operational modes.
Another patent details a mobile communication device featuring multiple antennas designed to minimize the deterioration of antenna characteristics. This folding-type mobile communication terminal allows for easy opening and closing while stabilizing antenna performance. The device includes a signal processing circuit that combines signals from various antennas and a phase alignment circuit for in-phase adjustments.
Career Highlights
Masanobu Kumekawa is currently employed at Hitachi, Ltd., where he continues to develop innovative solutions in mobile communication technology. His work has significantly impacted the design and functionality of mobile devices, making them more efficient and user-friendly.
Collaborations
Kumekawa has collaborated with notable colleagues, including Yutaka Chiba and Makoto Katagishi. Their combined expertise has contributed to the successful development of advanced mobile communication technologies.
Conclusion
Masanobu Kumekawa's contributions to mobile communication technology reflect his dedication to innovation and excellence. His patents demonstrate a commitment to improving the functionality and efficiency of mobile devices, making a lasting impact in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile