Location History:
- Hitachi, JP (2009)
- Hitachioota, JP (2011)
- Mobara, JP (2013 - 2014)
- Ibaraki, JP (2014)
- Hitachiota, JP (2009 - 2023)
- Tokyo, JP (2020 - 2024)
Company Filing History:
14 out of 1,207 
13 out of 1,238 
7 out of 5,668 
Years Active: 2009-2025
Title: Innovations by Yoshifumi Sekiguchi in Scintillator and Measurement Devices
Introduction
Yoshifumi Sekiguchi, an accomplished inventor based in Hitachiota, Japan, has made significant contributions to the field of technology with a remarkable portfolio of 34 patents. His innovative work has primarily focused on advancements in scintillator technology, measuring devices, mass spectrometers, and electron microscopes.
Latest Patents
Among his latest patents, Sekiguchi has developed a scintillator designed to enhance emission intensity. This sophisticated device consists of a sapphire substrate, a GaN layer, and a quantum well structure. The unique configuration includes multiple emitting layers of InGaN and barrier layers of GaN, along with an oxygen-containing layer that improves operational efficiency.
In addition, he has introduced an inventive light source for biochemical analyzers. This system utilizes a first LED emitting ultraviolet light alongside a second LED with a different emission spectrum. The clever arrangement features a reflection surface and a dichroic surface to optimize light emissions. This implementation ensures better performance and easier maintenance for biochemical analysis.
Career Highlights
Yoshifumi Sekiguchi has had a notable career, working with well-respected companies in the technology sector. He has held positions at Hitachi Displays, Ltd., where he contributed to display technology innovations, and at Panasonic Liquid Crystal Display Co., Ltd., focusing on advancements in liquid crystal technologies.
Collaborations
Throughout his career, Sekiguchi has had the opportunity to collaborate with distinguished professionals in the field. Notable coworkers include Ikuo Hiyama and Tsunenori Yamamoto, with whom he has shared ideas and worked to bring exceptional inventions to life.
Conclusion
Yoshifumi Sekiguchi's achievements as an inventor have significantly impacted various technological domains. His dedication to innovation, reflected in his extensive patent portfolio, showcases the importance of inventive minds in pushing the boundaries of science and technology.
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.