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Years Active: 2011-2017
Title: The Innovative Contributions of Nobuhiro Kumada in Piezoelectric Technology
Introduction: Nobuhiro Kumada, a prominent inventor based in Kofu, Japan, has made significant strides in the field of piezoelectric materials and elements. With a total of 19 patents to his name, Kumada's work focuses on advancing the technology that underpins various electronic devices, enhancing their functionality and performance.
Latest Patents: Among his latest innovations, Kumada has developed a lead-free piezoelectric material characterized by a high Curie temperature, a satisfactory mechanical quality factor, and an impressive Young's modulus. This material is utilized in a piezoelectric element and a multilayered piezoelectric element, which together demonstrate excellent piezoelectric properties. The piezoelectric material comprises 0.04 mol % to 2.00 mol % of copper in relation to a perovskite-type metal oxide, represented by the formula: (KBiBa)Na(NbTi)O. Furthermore, his contributions extend to a complex oxide defined by the general formula A(ZnTi)MO₃, where various specific conditions must be met, demonstrating the precision and ingenuity inherent in his research.
Career Highlights: Kumada's inventive journey has seen him associated with noteworthy organizations. He has been part of Canon Inc., a global leader in imaging and printing solutions, and he has also contributed to academic advancements as a member of the University of Yamanashi. His extensive experience in both corporate and academic environments has greatly influenced the field of piezoelectric materials.
Collaborations: Kumada has worked alongside skilled professionals such as Jumpei Hayashi and Satoshi Wada. These collaborations have enriched his research endeavors, leveraging combined expertise to propel innovations in piezoelectric technologies.
Conclusion: Nobuhiro Kumada stands out as a pivotal figure in the advancement of piezoelectric materials and elements. His innovative approach, reflected in his numerous patents, underscores the importance of collaboration in driving technological progress. As he continues to develop cutting-edge solutions, Kumada's work promises to have a lasting impact on the electronics industry and beyond.
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