This inventor holds 27 USPTO granted patents and 6 published patent applications and 2 EPO patents, primarily in Electron Beam Technology. Top assignees: Hitachi-High-Technologies Corporation, Hitachi High-Tech Corporation, Hitachi, Ltd.. Active years: 2003-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hitachinaka, JP (2003 - 2016)
- Tokyo, JP (2017 - 2022)
Company Filing History:
19 out of 2,874 
5 out of 1,386 
2 out of 42,731 
Years Active: 2003-2025
Areas of Expertise:
Title: Noriaki Arai: Innovator in Electron Source Technology
Introduction
Noriaki Arai, a distinguished inventor based in Hitachinaka, Japan, has made significant contributions to the field of electron source technology. With an impressive portfolio of 24 patents, Arai's innovations have pushed the boundaries of scientific applications and industrial processes.
Latest Patents
Among his latest patented inventions is an electron source, which encompasses a columnar chip of a hexaboride single crystal, designed to enhance the efficiency and performance of electron beam devices. This invention features a metal pipe that securely holds the columnar chip and includes a filament connected to the metal pipe's central portion. Notably, the columnar chip is tapered into a cone shape nearing the tip, which possesses a (310) crystal face. This unique design enables the emission of Schottky electrons, culminating in a novel electron source characterized by monochromaticity, long-term stability of the emitter current, and high current density. Another notable patent involves a method and device for cell separation utilizing the Deterministic Lateral Displacement (DLD) principle, which effectively separates cells based on their sizes after enhancing particle dimensions.
Career Highlights
Arai has earned his reputation as a pioneering inventor through his work in esteemed companies such as Hitachi High Technologies Corporation and Hitachi, Ltd. These positions allowed him to collaborate on groundbreaking projects and contribute to advancements in electron device manufacturing.
Collaborations
Throughout his career, Arai has collaborated with talented professionals such as Yoichi Ose and Hiroyasu Shichi, enhancing the innovation process through shared expertise. Together, they have worked on various projects that have led to significant advancements in technology.
Conclusion
Noriaki Arai's extensive patent portfolio and innovative spirit have established him as a vital figure in the field of electron sources. His inventions not only demonstrate his technical acumen but also contribute to the advancement of modern technology in various applications. Through his impressive collaborations and career experience, Arai continues to inspire future innovations in the scientific community.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile