Location History:
- Obu, JP (2003)
- Hitachi, JP (1990 - 2014)
Company Filing History:
10 out of 42,485 
7 out of 35 
4 out of 7,524 
Years Active: 1990-2014
Title: Innovations by Masahiro Koizumi
Introduction
Masahiro Koizumi, a prominent inventor based in Hitachi, Japan, has made significant contributions to the field of semiconductor technology. With a total of 21 patents to his name, Koizumi has been instrumental in advancing innovations that enhance semiconductor devices' performance and efficiency.
Latest Patents
Among his notable recent inventions is a sophisticated MOSFET package, which features a semiconductor chip designed to optimize performance. This semiconductor device includes a first main surface and a second, opposing main surface, with specific configurations for source and gate electrode pads. It also incorporates a drain electrode and external terminals for connection, ensuring that the device operates efficiently and effectively. The meticulous design, which places the gate external terminal between the source and drain terminals in at least one direction, reflects Koizumi's commitment to innovation in semiconductor technology.
Additionally, another variant of the MOSFET package showcases a similar structure, emphasizing overlapping conductive members and a sealing body that secures the chip and terminals. This design not only enhances functionality but also aims to streamline the manufacturing process of semiconductor devices.
Career Highlights
Koizumi has built an impressive career at leading companies, including Hitachi, Ltd. and Hitachi Tohbu Semiconductor, Ltd. His extensive experience in these organizations has allowed him to contribute to groundbreaking developments in semiconductor technology, positioning him as a key figure in the industry.
Collaborations
Throughout his career, Koizumi has worked alongside talented colleagues such as Ryoichi Kajiwara and Kazuya Takahashi. Their collaborations have fostered a creative environment that has led to the emergence of innovative solutions and advancements in semiconductor technologies.
Conclusion
Masahiro Koizumi stands out as a notable inventor in the semiconductor field, with a remarkable portfolio of patents that demonstrate his innovative spirit. His contributions continue to influence advancements in technology, showcasing the vital role of inventors in shaping the future of industry.
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.