This inventor holds 2 USPTO granted patents. Top assignee: Showa Denko K.k.. Active years: 2008-2010.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2008-2010
Title: Syunji Horikawa: Innovator in Group III Nitride Semiconductors
Introduction
Syunji Horikawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of Group III nitride semiconductors. With a total of 2 patents to his name, Horikawa's work has advanced the efficiency and performance of light-emitting devices.
Latest Patents
Horikawa's latest patents include an innovative n-type group III nitride semiconductor layered structure. This invention aims to provide a low-resistance n-type Group III nitride semiconductor layered structure characterized by excellent flatness and minimal defects. The structure consists of a substrate with a stacked n-type impurity concentration periodic variation layer, which includes both higher and lower concentration layers.
Another notable patent is for a Group III nitride semiconductor light-emitting device. This device features a light-emitting layer bonded to a crystal layer made of either n-type or p-type Group III nitride semiconductor. The invention incorporates a Ge-doped n-type Group III nitride semiconductor layer, which exhibits low resistance and excellent flatness. This advancement is crucial for achieving low forward voltage and high light-emitting efficiency in semiconductor devices.
Career Highlights
Syunji Horikawa is currently associated with Showa Denko K.K., a leading company in the semiconductor industry. His work at Showa Denko has allowed him to collaborate with other experts in the field, further enhancing the impact of his inventions.
Collaborations
Some of Horikawa's notable coworkers include Tetsuo Sakurai and Hitoshi Takeda. Their collaborative efforts have contributed to the advancement of semiconductor technologies and innovations.
Conclusion
Syunji Horikawa's contributions to the field of Group III nitride semiconductors have positioned him as a key figure in semiconductor innovation. His patents reflect a commitment to improving the efficiency and performance of light-emitting devices, making a lasting impact on the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile