Location History:
- Shiga-ken, JP (2000 - 2003)
- Toyama-ken, JP (2004 - 2008)
Company Filing History:
4 out of 13,676 
1 out of 150 Years Active: 2000-2008
Title: Tomoyuki Ogawa: Innovator in Piezoelectric Technology
Introduction
Tomoyuki Ogawa is a notable inventor based in Toyama-ken, Japan. He has made significant contributions to the field of piezoelectric technology, holding a total of 5 patents. His work focuses on enhancing the performance and reliability of piezoelectric components.
Latest Patents
Ogawa's latest patents include a manufacturing method for monolithic piezoelectric parts and a novel piezoelectric ceramic composition. The manufacturing method allows for the creation of a monolithic piezoelectric part that achieves a high piezoelectric d constant while minimizing reliability issues, such as insulation resistance deterioration. This is accomplished by adjusting the molar quantity of the A site component, Pb, and ensuring the average valence of the B site component is greater than quadrivalent. The piezoelectric ceramic composition is defined by the formula Pb[Ni Nb]Ti ZrO, with specific molar proportions that enhance its performance.
Career Highlights
Throughout his career, Ogawa has worked with prominent companies, including Murata Manufacturing Co., Ltd. His experience in these organizations has allowed him to refine his expertise in piezoelectric materials and their applications.
Collaborations
Ogawa has collaborated with notable colleagues such as Katsuhiro Horikawa and Masahiko Kimura. These partnerships have contributed to the advancement of his research and innovations in the field.
Conclusion
Tomoyuki Ogawa's contributions to piezoelectric technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material science and engineering, positioning him as a key figure in this specialized field.