This inventor holds 5 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1981-1992.
Location History:
- Asahimura, JP (1981 - 1983)
- Ibaraki, JP (1985 - 1992)
Company Filing History:
Years Active: 1981-1992
Title: Kazuo Shii: Innovator in Electron Beam Technology
Introduction
Kazuo Shii is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of electron beam technology, holding a total of 5 patents. His work has advanced the capabilities of electron microscopy and electron beam irradiation methods.
Latest Patents
Kazuo Shii's latest patents include a method of determining the position of electron beam irradiation. This innovative method involves irradiating a desired portion of a specimen with an electron beam, forming an image of the electron beam that penetrates the specimen on a fluorescent screen. The positioning of the electron beam irradiation is based on the image obtained by scanning the electron beam over a range wider than the spot size of the electron beam on the specimen's surface. Another notable patent is for a transmission electron microscope. This device features an electron gun that emits an electron beam onto a specimen, producing transmitted main electron rays, inelastic scattering electron rays, and diffractive scattering rays. The microscope includes an objective lens that converges the electron rays to form an image, along with an objective aperture that selectively allows certain rays to pass through. This design enables the observation of high-contrast dark field images.
Career Highlights
Kazuo Shii is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to develop and refine his inventions, contributing to advancements in electron microscopy and related fields.
Collaborations
Kazuo Shii has collaborated with notable coworkers, including Hiroyuki Kobayashi and Toshiyuki Ohashi. Their combined expertise has fostered innovation and development in their respective projects.
Conclusion
Kazuo Shii's contributions to electron beam technology and microscopy have established him as a key figure in his field. His patents reflect a commitment to advancing scientific understanding and technological capabilities.