This inventor holds 2 USPTO granted patents. Top assignees: Hitachi Cable, Inc., Hitachi, Ltd., Nippon Telegraph and Telephone Corporation. Active years: 1999-2007.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ibaraki, JP (1999)
- Hitachi, JP (2007)
Company Filing History:



Years Active: 1999-2007
Title: Keiichi Higuchi: Innovator in Magnetic and Optical Technologies
Introduction
Keiichi Higuchi is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the fields of magnetic and optical technologies. With a total of 2 patents, his work showcases innovative solutions that address complex challenges in these areas.
Latest Patents
One of his latest patents is a magnetic motion sensor. This device features two magnetic sensors aligned to detect changes in a magnetic field. It includes a differential means for extracting a differential signal from the output of these sensors. Additionally, it has a timing detection means that generates pulses indicating the timing of changes in the magnetic field as they pass through the sensors.
Another significant patent is related to an optical waveguide and its manufacturing method. This optical waveguide comprises a substrate, such as a silicon substrate, with a projection that has a flat surface and inclined side surfaces. It includes a buffer layer with a specific refractive index, a secondary buffer layer, a core waveguide, and a cladding layer. The design aims to control transmission loss and improve performance by addressing thickness differences and potential scattering issues.
Career Highlights
Throughout his career, Keiichi Higuchi has worked with prominent companies, including Hitachi Cable, Inc. and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas.
Collaborations
Keiichi has collaborated with notable coworkers such as Masayoshi Kaneyasu and Satoshi Aoki. Their combined expertise has contributed to the advancement of technologies in their respective fields.
Conclusion
Keiichi Higuchi's contributions to magnetic and optical technologies highlight his innovative spirit and dedication to solving complex problems. His patents reflect a commitment to advancing technology and improving functionality in various applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile