Location History:
- Gunma, JP (2011)
- Ora-gun, JP (2014)
Company Filing History:
2 out of 306 
1 out of 3,590 
1 out of 8,776 Years Active: 2011-2014
Title: Yuji Umetani: Innovator in Semiconductor Technology
Introduction
Yuji Umetani is a notable inventor based in Ora-gun, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on enhancing the reliability and efficiency of semiconductor devices.
Latest Patents
One of Yuji Umetani's latest patents is a resin molded semiconductor device and the manufacturing method thereof. This invention aims to provide a method of manufacturing a resin molded semiconductor device with high reliability by preventing resin leakage due to burrs on a lead frame formed by punching. The method includes bonding a semiconductor die on an island in a lead frame, electrically connecting the semiconductor die with the lead frame, and resin-molding the lead frame. Prior to the resin-molding, a compressive pressure that is higher than the clamping pressure applied during the resin-molding is applied to the region of the lead frame being clamped by molds.
Career Highlights
Throughout his career, Yuji Umetani has worked with prominent companies in the semiconductor industry, including Sanyo Semiconductor Co., Ltd. and Semiconductor Components Industries, LLC. His experience in these organizations has contributed to his expertise in semiconductor technology.
Collaborations
Yuji Umetani has collaborated with notable professionals in the field, including Kiyoshi Saito and Hideaki Yoshimi. These collaborations have further enriched his work and innovations in semiconductor devices.
Conclusion
Yuji Umetani's contributions to semiconductor technology through his patents and collaborations highlight his role as an innovator in the industry. His work continues to influence the development of reliable semiconductor devices.
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.