Location History:
- Aichi, JP (1996 - 2004)
- Komaki, JP (2003 - 2017)
Company Filing History:
9 out of 2,606 
2 out of 832,718 Years Active: 1996-2017
Title: Katsuya Yamagiwa: Innovator in Lead-Free Piezoelectric Ceramics
Introduction
Katsuya Yamagiwa is a prominent inventor based in Komaki, Japan. He has made significant contributions to the field of piezoelectric materials, particularly focusing on lead-free compositions. With a total of 11 patents to his name, Yamagiwa's work is paving the way for more environmentally friendly technologies.
Latest Patents
Yamagiwa's latest patents include a range of innovative technologies. One of his notable inventions is a lead-free piezoelectric ceramic composition, which consists of a first crystal phase (KNN phase) and a second crystal phase (NTK phase). The first crystal phase is characterized by a plurality of crystal grains formed from an alkali niobate/tantalate perovskite oxide, which exhibits piezoelectric characteristics. The second crystal phase is a compound containing titanium (Ti) that fills the spaces between the crystal grains in the first phase. Another significant patent involves a lead-free piezoelectric ceramic composition that includes a first crystal phase of alkali niobate/tantalate type perovskite oxide and a second crystal phase of A-Ti—B—O composite oxide. This innovation aims to enhance the performance and sustainability of piezoelectric elements.
Career Highlights
Throughout his career, Katsuya Yamagiwa has worked with notable companies, including NGK Spark Plug Company, Limited. His expertise in piezoelectric materials has positioned him as a key figure in the development of advanced ceramic technologies. His contributions are not only significant in terms of innovation but also in promoting environmentally friendly alternatives in the industry.
Collaborations
Yamagiwa has collaborated with several professionals in his field, including Masato Yamazaki and Takeshi Mitsuoka. These collaborations have further enriched his research and development efforts, leading to groundbreaking advancements in piezoelectric materials.
Conclusion
Katsuya Yamagiwa's work in lead-free piezoelectric ceramics exemplifies the importance of innovation in creating sustainable technologies. His numerous patents and collaborations highlight his commitment to advancing the field and contributing to a greener future.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.