This inventor holds 6 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Industrial Equipment Systems Co., Ltd.. Active years: 2010-2016.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2010-2016
Title: Takamasa Kawaguchi: Innovator in Positional Information Technology
Introduction
Takamasa Kawaguchi is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of positional information technology, holding a total of 6 patents. His work focuses on improving the accuracy and efficiency of positioning systems, particularly in challenging environments.
Latest Patents
Kawaguchi's latest patents include innovative devices such as a positional information transmitter, communication terminal, and positioning system using position data. The first invention provides a transmitter that consists of multiple antennas and a radio transmitting part. This transmitter sends a positional information signal containing the same data from each antenna through different channels. This design effectively addresses issues related to positioning errors and signal interferences, especially in indoor environments.
Another notable patent involves a positional information transmitter, receiver, and position measuring system capable of functioning under moving circumstances. This system includes a memory unit that stores latitude and longitude data, a transmission unit that generates corresponding wireless signals, and a timing controller that manages the transmission intervals. This invention enhances the ability to determine current positions accurately, regardless of movement.
Career Highlights
Throughout his career, Kawaguchi has worked with reputable companies such as Hitachi, Ltd. and Hitachi Industrial Equipment Systems Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in positional information technology.
Collaborations
Kawaguchi has collaborated with notable colleagues, including Tomoichi Ebata and Takayoshi Fujioka. These partnerships have contributed to the advancement of his inventions and the development of new technologies in the field.
Conclusion
Takamasa Kawaguchi is a distinguished inventor whose work in positional information technology has led to significant advancements in the field. His innovative patents and collaborations reflect his commitment to improving positioning systems for various applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile