Location History:
- Chiba, JP (2001)
- Tokyo, JP (2008)
Company Filing History:
Years Active: 2001-2008
Title: Innovations by Yasunaga Kagaya: Pioneering Surface Acoustic Wave Technology
Introduction
Yasunaga Kagaya is a distinguished inventor based in Tokyo, Japan, renowned for his contributions to the field of surface acoustic wave technology. With two significant patents to his name, Kagaya's innovations have paved the way for advancements in electronic devices, enhancing their efficiency and longevity.
Latest Patents
Kagaya's latest patents include a groundbreaking surface acoustic wave element and an organic electroluminescent device. The surface acoustic wave element features a thin film electrode composed of monocrystal aluminum, strategically placed on a piezoelectric substrate. This innovative design incorporates metal segregation, notably of Cu, Ta, W, and Ti, within the thin film electrode. This segregation plays a crucial role in minimizing cracks on the piezoelectric substrate during ultrasonic wave connections for flip chip mounting, effectively improving the element's tolerance against ultrasonic vibrations.
In addition to the surface acoustic wave element, Kagaya has developed an organic electroluminescent device that boasts an ITO electrode with (111) orientation. This invention enhances the film formation and physical properties at the interface between the hole injecting electrode and the organic layer, resulting in a device that exhibits a long lifetime, high luminance, and reduced current leakage and dark spots.
Career Highlights
Yasunaga Kagaya has made significant strides in his career, particularly at TDK Corporation, where he has contributed extensively to research and development. His innovative spirit and commitment to advancing technology have positioned him as a leader in his field.
Collaborations
Throughout his career, Kagaya has collaborated with notable colleagues such as Kenji Nakaya and Mitsufumi Codama. Together, they have fostered an environment of creativity and innovation, pushing the boundaries of what's possible in electronic device technology.
Conclusion
Yasunaga Kagaya's contributions to surface acoustic wave technology and organic electroluminescent devices underscore the importance of innovation in advancing the electronics industry. His relentless pursuit of excellence and collaboration with esteemed colleagues continue to inspire future generations of inventors and researchers.