This inventor holds 8 USPTO granted patents. Top assignees: Kabushiki Kaisha Toshiba, Ichibiki Co., Ltd., Shibaura Engineering Works Co., Ltd.. Active years: 1989-2001.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Sagamihara, JP (1989 - 1999)
- Kanagawa-ken, JP (2001)
Company Filing History:
8 out of 53,315 
2 out of 8 
2 out of 11 Years Active: 1989-2001
Title: Seiji Yamaguchi: Innovator in Microwave Measurement Technology
Introduction
Seiji Yamaguchi is a prominent inventor based in Sagamihara, Japan. He has made significant contributions to the field of measurement technology, particularly in microwave applications. With a total of eight patents to his name, Yamaguchi's work has advanced the understanding and capabilities of concentration measurement in various mixtures.
Latest Patents
Yamaguchi's latest patents include a "Microwave Type Concentration Measuring Apparatus." This invention measures the overall concentration of a mixture by assessing the measurement sensitivity of a specific substance within a mixture of multiple substances. The apparatus utilizes a sensitivity measuring microwave type concentration meter to derive calibration curve gradients, which are essential for determining the overall concentration of the components involved.
Another notable patent is the "Phase Difference Measuring Apparatus and Method." This device measures phase differences by comparing signals from a reference state and a measured state. It calculates true phase differences by adjusting for the number of rotations that the apparent phase difference undergoes as it passes through a reference point. These innovations showcase Yamaguchi's expertise in developing precise measurement tools.
Career Highlights
Throughout his career, Seiji Yamaguchi has worked with notable companies, including Toshiba Corporation and Ichibiki Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in measurement technology.
Collaborations
Yamaguchi has collaborated with esteemed colleagues such as Shigeki Fukuyasu and Makoto Nakamura. These partnerships have fostered a collaborative environment that has led to innovative solutions in the field.
Conclusion
Seiji Yamaguchi's contributions to microwave measurement technology have established him as a key figure in the industry. His patents reflect a commitment to innovation and precision, making a lasting impact on measurement methodologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile