Company Filing History:
Years Active: 2002-2007
Title: **The Innovative Contributions of Hironobu Sai**
Introduction
Hironobu Sai is a notable inventor based in Kyoto, Japan, recognized for his significant contributions in the field of semiconductor technology. With a total of seven patents to his name, he continues to push the boundaries of innovation and application within his domain.
Latest Patents
One of his latest inventions is a **semiconductor light-emitting device**, constructed from a group III-nitride compound semiconductor expressed as AlGaInN. This advanced device comprises several key components: a substrate made from silicon carbide (SiC), a semiconductor layer that contains a light-emitting region, and a multi-layered reflective layer situated between the substrate and the semiconductor layer to reflect light produced in the light-emitting region. An additional phase matching layer is strategically placed to enhance the efficiency of light reflection and phase matching, maximizing the beneficial interference among the emitted light.
Another notable patent is a **method of fabricating a compound semiconductor layer**. This method includes methods of forming layers, from an oxidizable material to a compound semiconductor, ensuring a highly effective production process. The innovation lies in its capability to oxidize the first layer into an oxide layer, allowing for the formation of a functional semiconductor element on top of it.
Career Highlights
Hironobu Sai works with Rohm Co., Ltd., a company renowned for its contributions to the electronics industry. Throughout his career, he has focused on advancing semiconductor technology and bringing his innovative ideas to fruition.
Collaborations
During his tenure, Sai has collaborated with several talented individuals, including Haruo Tanaka and Jun Ichihara. Their combined expertise contributes to the robust research culture at Rohm Co., Ltd. and fosters an environment conducive to groundbreaking advancements in technology.
Conclusion
Hironobu Sai's work exemplifies the spirit of innovation in semiconductor technology. His inventions not only improve the efficiency of light-emitting devices but also enhance the future of electronics development. With numerous patents and a dedicated team behind him, Sai continues to inspire future engineers and inventors in the field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.