Location History:
- Suita, JP (1989)
- Neyagawa, JP (1994 - 2000)
- Osaka, JP (1994 - 2003)
Company Filing History:
Years Active: 1989-2003
Title: Innovations and Contributions of Yasushi Matsui
Introduction
Yasushi Matsui, an acclaimed inventor based in Neyagawa, Japan, has made significant contributions to the field of semiconductor technology. With a remarkable portfolio of 21 patents, Matsui showcases his expertise and innovative spirit, particularly in the development of advanced semiconductor laser devices. His work at Matsushita Electric Industrial Co., Ltd. exemplifies the intersection of technological advancement and practical application.
Latest Patents
Matsui's latest patents include a semiconductor laser device that features a substrate, p-type and n-type cladding layers, and an intricately designed active layer. This active layer is uniquely structured with at least two barrier layers and at least two well layers arranged alternately. A key innovation of this device is the increasing band offsets in the conduction band between the barrier layers and well layers, progressing from the n-type cladding layer towards the p-type cladding layer side.
Another notable patent focuses on an optical communication system utilizing a semiconductor laser device. It includes a GaAs substrate and a multi-layer structure formed atop it, which contains an active layer designed for emitting light. This active layer consists of an InN,As,P composition, ensuring lattice-matching with the GaAs substrate, a critical factor for optimizing performance in semiconductor applications.
Career Highlights
Throughout his career at Matsushita Electric Industrial Co., Ltd., Matsui has dedicated himself to pushing the boundaries of semiconductor technology. His inventive work has fostered advancements in optical communication systems and enhanced the efficacy of semiconductor devices. His patents reflect his forward-thinking approach and contribution to the industry.
Collaborations
Matsui's work is further enriched through collaborations with notable colleagues, including Nobuyuki Otsuka and Masato Ishino. Together, they have strived to innovate and enhance the functionalities of semiconductor devices, ultimately leading to impactful developments in their field.
Conclusion
Yasushi Matsui stands out as a pioneering inventor in the realm of semiconductor technology. With 21 patents to his name, his contributions have not only advanced technology but also positioned him as a leading figure within Matsushita Electric Industrial Co., Ltd. His innovative spirit and collaborative efforts continue to drive progress in optical communications and semiconductor applications, showcasing the importance of invention in our technological landscape.