This inventor holds 5 USPTO granted patents. Top assignee: Sumitomo Electric Industries, Limited. Active years: 1976-1984.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Osaka, JA (1976 - 1977)
- Osaka, JP (1979 - 1981)
- Itami, JP (1984)
Company Filing History:
Years Active: 1976-1984
Title: The Innovations of Shin-ichi Akai
Introduction
Shin-ichi Akai is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of semiconductor materials, particularly in the production of high-quality single crystals. With a total of 5 patents to his name, Akai's work has advanced the understanding and manufacturing processes of gallium arsenide and gallium phosphide crystals.
Latest Patents
One of Akai's latest patents is a method of producing GaAs single crystals doped with boron. This innovative technique allows for the growth of GaAs single crystals with a lowered dislocation density, utilizing a GaAs melt covered with B.sub.2 O.sub.3 as a liquid encapsulant. The method involves using a crucible made from materials such as PBN, AlN, or Al.sub.2 O.sub.3, and adding a specific concentration of boron to the GaAs melt under controlled conditions. Another notable patent focuses on the manufacturing of gallium phosphide single crystals with low defect density. This method employs the liquid encapsulation Czochralski pulling technique and ensures that the crystals are doped with electrically active impurities, maintaining a low dislocation density.
Career Highlights
Shin-ichi Akai is currently employed at Sumitomo Electric Industries, Limited, where he continues to innovate in the field of semiconductor technology. His work has not only contributed to the advancement of materials science but has also had practical applications in various electronic devices.
Collaborations
Throughout his career, Akai has collaborated with notable colleagues, including Hideki Mori and Shin-ichi Iguchi. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise in the field of crystal growth and semiconductor manufacturing.
Conclusion
Shin-ichi Akai's contributions to the field of semiconductor materials through his innovative patents and collaborative efforts have significantly impacted the industry. His work continues to pave the way for advancements in crystal growth techniques and applications in electronics.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile