This inventor holds 2 USPTO granted patents. Top assignees: Hitachi Ulsi Systems Co., Ltd., Hitachi, Ltd.. Active years: 2005.
Company Filing History:
2 out of 336 
2 out of 42,717 
Years Active: 2005
Title: Tsutomu Udo: Innovator in Semiconductor Technology
Introduction
Tsutomu Udo is a prominent inventor based in Musashimurayama, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on improving the reliability and performance of semiconductor devices, particularly those involving hetero-junction bipolar transistors.
Latest Patents
Udo's latest patents include a method for manufacturing semiconductor devices. This method involves exposing a semiconductor substrate's surface for heterocrystalline layer growth, followed by a series of treatments to remove water and oxide films. The process enhances the reliability of semiconductor devices featuring hetero-junction bipolar transistors. Another notable patent is for a bipolar transistor that boasts improved performance. This invention includes an insulation film made of silicon oxide and a selectively grown epitaxial layer of SiGe, which optimizes the device's functionality.
Career Highlights
Throughout his career, Tsutomu Udo has worked with notable companies such as Hitachi, Ltd. and Hitachi ULSI Systems Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative approaches to semiconductor manufacturing.
Collaborations
Udo has collaborated with esteemed colleagues, including Takashi Hashimoto and Eiji Oue. These partnerships have contributed to the advancement of semiconductor technologies and the successful implementation of his inventions.
Conclusion
Tsutomu Udo's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of reliable and high-performance semiconductor devices.