Location History:
- Aichi, JP (1987 - 1996)
- Nagoya, JP (1989 - 1996)
Company Filing History:
7 out of 2,606 
1 out of 35,670 
Years Active: 1987-1996
Title: Innovations of Yasuhiko Nakagawa: A Pioneer in Piezoelectric Filters
Introduction
Yasuhiko Nakagawa, an esteemed inventor based in Aichi, Japan, has made significant contributions to the field of piezoelectric technology. With a portfolio of seven patents, Nakagawa has been instrumental in advancing high-frequency filter technologies that are essential in various applications.
Latest Patents
Among his latest patents is the "High-frequency ladder type piezoelectric filter," which leverages a piezoelectric resonator operating in the second harmonic wave mode SM. This innovative filter is designed to be usable in high-frequency ranges, enhancing performance through specific configurations of series and parallel resonators that are polarized along opposite directions. Another notable patent is the "Ladder type filter with adjustable resonator positioning member," which features vertically arranged parallel resonators and side-by-side series resonators. This invention maintains filter performance while allowing for precise alignment through a unique design involving insulating shield plates and connecting terminal members.
Career Highlights
Throughout his career, Nakagawa has worked at prominent companies, including NGK Spark Plug Company, Limited and NEC Corporation. His experience in these leading firms has equipped him with the knowledge and skills to drive innovation in piezoelectric filter designs, contributing to advancements in electronic components.
Collaborations
Yasuhiko Nakagawa has collaborated with notable colleagues such as Tatsuo Ogawa and Hisao Banno. These partnerships have played a crucial role in fostering innovation and enhancing the development of piezoelectric technologies.
Conclusion
Yasuhiko Nakagawa continues to be a significant figure in the realm of piezoelectric innovations. His groundbreaking work on high-frequency ladder type piezoelectric filters and collaborations with industry experts exemplify his commitment to advancing technology in this field. As his career progresses, Nakagawa's contributions are sure to influence future developments in electronic filtering technologies.
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.