Location History:
- Chiba, JP (1991 - 2002)
- Tokyo, JP (2002)
Company Filing History:
6 out of 7,986 
1 out of 1,193 
1 out of 25 Years Active: 1991-2002
Title: The Innovations of Shoji Inoue
Introduction
Shoji Inoue is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of materials science, particularly in the development of manganese-zinc ferrites. With a total of 8 patents to his name, Inoue's work has had a considerable impact on various industries.
Latest Patents
One of Inoue's latest patents focuses on manganese-zinc ferrite and its manufacturing method. The invention aims to provide a manganese-zinc ferrite that exhibits a high initial permeability over a broad frequency range, especially in the low-frequency region of about 10 kHz. The method for preparing this ferrite involves a firing process characterized by a main temperature holding step at 1,200-1,450 °C, along with a thermal ramp-down step prior to the main holding phase. This innovative approach results in a manganese-zinc ferrite comprising 50-56 mol % of iron oxide, 22-39 mol % of manganese oxide, and 8-25 mol % of zinc oxide as main components, with a mean crystal grain size ranging from 50 µm to 150 µm.
Career Highlights
Throughout his career, Inoue has worked with notable companies such as TDK Corporation and Nifco Inc. His expertise in materials science has allowed him to contribute to various projects and advancements in technology.
Collaborations
Inoue has collaborated with esteemed colleagues, including Katsushi Yasuhara and Takashi Ito. These partnerships have further enriched his work and expanded the scope of his innovations.
Conclusion
Shoji Inoue's contributions to the field of materials science, particularly through his patents on manganese-zinc ferrites, highlight his role as a significant inventor. His work continues to influence advancements in technology and materials engineering.