Location History:
- Yamatokooriyama, JP (2004)
- Yamtokoriyama, JP (2006)
- Yamtokooriyama, JP (2006)
- Mihara, JP (2012)
- Osaka, JP (2012 - 2017)
- Sakai, JP (2018 - 2021)
Company Filing History:
Years Active: 2004-2021
Title: Masayuki Ohta: Innovator in Semiconductor Technology
Introduction
Masayuki Ohta is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 12 patents. His work focuses on developing advanced devices that enhance the efficiency and performance of light-emitting technologies.
Latest Patents
Ohta's latest patents include a semiconductor laser device and a light-emitting device. The semiconductor laser device features an optical waveguide that extends toward the first end of the device. This optical waveguide consists of a first clad layer, an active layer, a second clad layer, and an electrode layer in that order. A reflecting surface, which includes a dielectric film and a metal film, crosses the active layer at the second end of the optical waveguide. The light-emitting device is designed to emit secondary light with high color purity and fast response speed. It incorporates KSF and CASN phosphors distributed in a resin that seals an LED chip emitting blue light. The KSF phosphor absorbs blue light and emits red light through forbidden transition, while the CASN phosphor emits red light through allowed transition.
Career Highlights
Masayuki Ohta has had a successful career at Sharp Kabushiki Kaisha Corporation, where he has been instrumental in advancing semiconductor technologies. His innovative approaches have led to the development of devices that are not only efficient but also reliable in various applications.
Collaborations
Ohta has collaborated with notable coworkers, including Tomoshi Kimura and Atsushi Yamashita. Their combined expertise has contributed to the successful development of cutting-edge technologies in the semiconductor field.
Conclusion
Masayuki Ohta's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence advancements in light-emitting devices and semiconductor laser technology.