This inventor holds 33 USPTO granted patents and 1 EPO patent, primarily in Nitride Semiconductor Devices. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1989-2008.
Location History:
- Hirakata, JP (2003 - 2005)
- Osaka, JP (1989 - 2008)
Company Filing History:
Years Active: 1989-2008
Areas of Expertise:
Title: Yuzaburo Ban: Innovator in Semiconductor Technology
Introduction
Yuzaburo Ban is a notable inventor based in Osaka, Japan, recognized for his significant contributions to the field of semiconductor technology. With a remarkable portfolio of 33 patents, Ban has been instrumental in advancing innovations in optical devices and integrated units.
Latest Patents
Among Ban's latest patents are groundbreaking inventions related to semiconductor laser devices and optical disk apparatuses. One of his notable inventions includes a semiconductor laser device that consists of a first cladding layer made of a nitride semiconductor of a first conductivity type, an active layer formed over this cladding layer, and a second cladding layer constructed from another nitride semiconductor of a second conductivity type. Additionally, it features a spontaneous-emission-absorbing layer that efficiently absorbs spontaneous emissions radiated from the active layer. This innovative design plays a crucial role in enhancing the performance of optical systems.
Career Highlights
Yuzaburo Ban has dedicated his career to advancing technology at Matsushita Electric Industrial Co., Ltd., a leading player in the electronics industry. His work in the development of semiconductor technologies has garnered respect and recognition within the scientific community.
Collaborations
Ban's innovative journey has been enriched by collaborations with esteemed coworkers such as Akihiko Ishibashi and Isao Kidoguchi. Together, they have worked on several projects that focus on enhancing semiconductor functionalities, driving further technological progress.
Conclusion
Yuzaburo Ban's contributions to semiconductor technology exemplify the spirit of innovation. With his extensive patent portfolio and collaborations, he continues to push the boundaries of what is possible in the realm of optical devices and integrated units. His work not only showcases individual inventiveness but also highlights the collaborative effort required to drive advancements in technology.