Location History:
- Osaka, JP (2001 - 2003)
- Ibaraki, JP (2005 - 2013)
Company Filing History:
14 out of 3,868 
5 out of 3,192 
1 out of 2 Years Active: 2001-2013
Title: Takuji Okeyui: Innovator in Semiconductor Technology
Introduction
Takuji Okeyui is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 15 patents. His work focuses on enhancing the efficiency and functionality of semiconductor devices.
Latest Patents
Among his latest patents is a semiconductor device that includes a die pad, a semiconductor element loaded on the die pad, and a sealing resin. This innovative device features a plurality of electrically conductive portions, each having a layered structure that includes a metal foil made of copper or a copper alloy. The electrically conductive portion plating layers are provided at both the upper and lower ends of the metal foil, arranged around the die pad. The die pad itself has a lower die pad plating layer, and the semiconductor element is mounted on this die pad. Electrodes on the semiconductor element are electrically connected to the top ends of the electrically conductive portions via wires. Notably, the lower electrically conductive portion plating layers and the die pad plating layer are exposed outside the sealing resin on their back faces.
Career Highlights
Takuji Okeyui has worked with notable companies such as Nitto Denko Corporation and Dai Nippon Printing Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.
Collaborations
Throughout his career, Takuji has collaborated with talented individuals, including Kazuhito Hosokawa and Keisuke Yoshikawa. These collaborations have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Takuji Okeyui's contributions to semiconductor technology are noteworthy, with a solid portfolio of patents that reflect his innovative spirit. His work continues to influence the industry and pave the way for future advancements in 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.