Location History:
- Nakai-machi, JP (2001 - 2003)
- Ebina, JP (1996 - 2008)
- Kanagawa, JP (1993 - 2011)
Company Filing History:
28 out of 11,665 
1 out of 1 
1 out of 1 Years Active: 1993-2011
Title: Nobuaki Ueki: A Pioneer in VCSEL Array Technology
Introduction: Nobuaki Ueki, based in Kanagawa, Japan, is an accomplished inventor renowned for his significant contributions to the field of semiconductor technology. With an impressive portfolio of 28 patents, he has played a crucial role in advancing innovations related to Vertical-Cavity Surface-Emitting Lasers (VCSELs).
Latest Patents: Among Ueki's latest patents is a groundbreaking VCSEL array device and method for manufacturing it. This innovative device comprises a first multilayer reflective film, an active layer, and a second multilayer reflective film, all arranged on a substrate extending in a longitudinal direction. The design includes plural mesa portions created by selectively removing parts of the multilayer reflective films and the active layer. Additionally, a selectively oxidized region is integrated into the multilayer reflective films, enhancing the device's performance. Another notable patent focuses on a surface-emitting semiconductor array device, which incorporates multiple light-emitting portions, an electrode pad portion, and wave-shaped side walls in its design for improved functionality.
Career Highlights: Nobuaki Ueki's career has seen him associated with leading companies such as Fuji Xerox Co., Ltd. and Fumio Koyama. His work at these organizations has enabled him to develop advanced technologies at the forefront of semiconductor research.
Collaborations: Ueki has worked alongside talented individuals in the field, including Hiromi Otoma and Hideo Nakayama. Their collaboration has likely fostered a productive environment that encourages innovation and the development of cutting-edge technologies.
Conclusion: Nobuaki Ueki's expertise and relentless pursuit of innovation in semiconductor technology, marked by his 28 patents, continue to inspire future generations of inventors. His contributions to the VCSEL array device domain solidify his position as a key figure in advancing light-emitting technology, paving the way for new applications and deeper explorations in the semiconductor industry.