Location History:
- Ishikawa-ken, JP (2004)
- Kyoto, JP (2002 - 2005)
- Nagaokakyo, JP (2023)
Company Filing History:
Years Active: 2002-2023
Title: Masatoshi Nakagawa: Innovator in Elastic Wave Devices
Introduction
Masatoshi Nakagawa is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of elastic wave devices, holding a total of 8 patents. His work has advanced the technology used in various communication apparatuses and acoustic wave devices.
Latest Patents
One of Nakagawa's latest patents is an elastic wave device that includes an elastic wave element chip, a bump electrically connected to the chip, and a package substrate with an electrode bonded to the bump. This innovative design features a sealing resin portion that covers the elastic wave element chip, creating a space surrounded by the chip, package substrate, and sealing resin. The elastic wave element chip is composed of a substrate with piezoelectric properties, an interdigital transducer electrode, and a pad electrode. The design optimizes the arrangement of these components to enhance performance.
Another notable patent involves an acoustic wave device that consists of a laminated film on a support substrate. This device includes a piezoelectric thin film and an IDT electrode, along with an insulating layer and a connecting electrode. The external connection terminal is strategically placed to ensure efficient electrical connectivity. The design also incorporates a recess at the outer edge of the laminated film, which is covered by the insulating layer, further enhancing the device's functionality.
Career Highlights
Masatoshi Nakagawa is currently associated with Murata Manufacturing Co., Ltd., a leading company in the field of electronic components. His work at Murata has allowed him to push the boundaries of technology in elastic wave devices and communication systems.
Collaborations
Throughout his career, Nakagawa has collaborated with notable colleagues, including Makoto Tose and Yoshihiro Koshido. These partnerships have contributed to the innovative advancements in their respective fields.
Conclusion
Masatoshi Nakagawa's contributions to the field of elastic wave devices and acoustic wave technology have established him as a key figure in innovation. His patents reflect a commitment to advancing technology and improving communication systems.