Company Filing History:
18 out of 10,239 
1 out of 832,680 Years Active: 1992-2003
Title: Innovations by Hidehito Mukai - Pioneering Bismuth Oxide Superconducting Wires
Introduction
Hidehito Mukai, based in Osaka, Japan, is a prominent inventor recognized for his significant contributions to the field of superconducting materials. With a remarkable portfolio of 19 patents, Mukai has been at the forefront of developing advanced methods for producing bismuth oxide superconducting wires, impacting various technological applications.
Latest Patents
Among his latest patents, Mukai's innovative method of preparing bismuth oxide superconducting wire stands out. This process involves creating a powder with a mean particle diameter of not more than 1 µm that contains a mixture of superconducting phases, primarily composed of the 2212 phases of Bi–Sr–Ca–Cu or (Bi, Pb)–Sr–Ca–Cu, along with non-superconducting phases. The raw material powder undergoes calcining and pulverizing before being heat treated at high temperatures. Subsequent steps include coating the powder with metal and employing deformation processing to prepare a round wire.
His method also details the transformation of the 2212 phases into 2223 phases, emphasizing grain growth facilitation. Finally, the resulting 2223 phases are densified and treated to ensure strong bonding and fine dispersion of non-superconducting phases, ultimately achieving a bismuth oxide superconducting wire with high critical current density.
Additionally, Mukai has developed a method for preparing and handling oxide superconducting wire that maintains critical current density despite bending. By employing a technique that fills strands of oxide superconductors with first metal sheaths into a second metal sheath, he optimizes the structural integrity of the superconducting wire through compressive load applications.
Career Highlights
Hidehito Mukai's innovative trajectory includes significant tenure at Sumitomo Electric Industries, Limited, where he honed his skills and knowledge in the field of superconducting materials. His expertise has been crucial in shaping the company's advancements in wire production technology.
Collaborations
Throughout his career, Mukai has collaborated with talented professionals, including notable coworkers Kenichi Sato and Nobuhiro Shibuta. These partnerships have enriched his research and development efforts, driving forward the potential applications of superconducting wires.
Conclusion
Hidehito Mukai's contributions to the field of superconductivity, particularly through his innovative patents, exemplify the importance of continued research and development in material science. His work not only advances technology but also paves the way for future innovations in superconducting applications, establishing him as a significant figure in this industry.
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