Location History:
- Tsuchiura, JP (1991)
- Ushiku, JP (1991 - 1994)
Company Filing History:
3 out of 499 
2 out of 58 
2 out of 8 
Years Active: 1991-1994
Title: Toshihiko Ibuka: Innovator in Semiconductor Technology
Introduction
Toshihiko Ibuka is a notable inventor hailing from Ushiku, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of methods for forming electrodes in compound semiconductors. With a total of 4 patents to his name, his work has had a lasting impact on the industry.
Latest Patents
Ibuka's latest patents include a method for forming an electrode for a compound semiconductor. This method involves the formation of an Au layer on the surface of an n-type layer of Ga.sub.1-x Al.sub.x As, followed by an alloying treatment after sequentially forming Ge and Ni layers. The specific thicknesses of the layers are crucial for achieving optimal performance in Ga-Al-As compound semiconductors. Another significant patent focuses on the Au-Ge-Ni ohmic contact for the same compound semiconductor, emphasizing the importance of layer formation and treatment in enhancing semiconductor functionality.
Career Highlights
Throughout his career, Ibuka has worked with prominent companies such as Mitsubishi Kasei Corporation and Mitsubishi Monsanto Chemical Co., Ltd. His experience in these organizations has allowed him to refine his expertise in semiconductor technology and contribute to various innovative projects.
Collaborations
Ibuka has collaborated with notable coworkers, including Masahiro Noguchi and Yutaka Yamada. These partnerships have fostered a collaborative environment that has led to advancements in their respective fields.
Conclusion
Toshihiko Ibuka's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to inspire advancements in the industry, showcasing the importance of innovation in technology.