Location History:
- Kimitsu, JP (2018)
- Tokyo, JP (2015 - 2021)
Company Filing History:
1 out of 3,554 
1 out of 1,101 
1 out of 17 Years Active: 2015-2021
Title: Hidetoshi Ito: Innovator in Steel Technology
Introduction
Hidetoshi Ito is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of steel technology. With a total of three patents to his name, he has made remarkable advancements in materials designed for low-temperature service.
Latest Patents
One of Hidetoshi Ito's latest patents is for a steel H-shape specifically designed for low-temperature service. This innovation includes a predetermined chemical composition, ensuring a CEV of 0.40 or less. The patent details that the area ratio of ferrite and bainite at specific positions must be 90% or more, with a hard phase area ratio of 10% or less. Additionally, the effective grain size is specified to be 20.0 μm or less, with a grain size of the hard phase being 10.0 μm or less. The design also incorporates 30 pieces/mm or more of Ti oxides with an equivalent circle diameter ranging from 0.01 to 3.0 μm, and the flange thickness ranges from 12 to 50 mm.
Another notable patent by Ito is for a steel sheet pile, which features a carbon equivalent of 0.260 to 0.500. This invention includes a structure comprising ferrite, pearlite, Widmanstätten ferrite, and precipitates such as Nb carbonitride and V carbonitride. The patent specifies a total number density of the precipitate between 0.10 to 0.30 pieces/μm, with a total area ratio of ferrite and pearlite being 70% or more. The average grain size of the ferrite and pearlite is set between 10 to 80 μm, and the yield strength is noted to be 460 MPa or more.
Career Highlights
Hidetoshi Ito has had a distinguished career, working with leading companies in the steel industry, including Nippon Steel Corporation and Nippon Steel & Sumitomo Metal Corporation. His work has significantly impacted the development of advanced steel materials.
Collaborations
Throughout his career, Ito has collaborated with notable colleagues such as Kazutoshi Ichikawa and Noriaki Onodera, contributing to various innovative projects in the field of steel technology.
Conclusion
Hidetoshi Ito's contributions to steel technology