Location History:
- Osaka, JP (2003)
- Oizumi-machi, JP (2003 - 2004)
- Gunma, JP (2004)
Company Filing History:
Years Active: 2003-2004
Title: Hisaaki Tominaga: Innovator in Semiconductor Technology
Introduction
Hisaaki Tominaga is a prominent inventor based in Oizumi-machi, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 6 patents. His work focuses on enhancing the performance and efficiency of semiconductor devices.
Latest Patents
One of Tominaga's latest patents is for a semiconductor device and manufacturing method. This invention provides a semiconductor device that excels in high-frequency characteristics. The design includes emitter diffusion performed by a trench formed in the base region, which reduces base resistance and base-emitter capacitance. The configuration allows for a base electrode layer to contact the entire surface of the base region, resulting in a shorter distance between the active region of the base and the base electrode layer. This innovation leads to a transistor that demonstrates excellent high-frequency characteristics.
Another notable patent is for an integrated Schottky barrier diode and its manufacturing method. This device includes a compound semiconductor substrate with multiple Schottky barrier diodes formed on it. An insulating region is created on the substrate through ion implantation, which electrically separates portions of the diode at different voltages. The absence of a polyimide layer and trench structures simplifies the manufacturing process and enhances device characteristics.
Career Highlights
Hisaaki Tominaga is currently employed at Sanyo Electric Co., Ltd., where he continues to develop innovative semiconductor technologies. His work has significantly impacted the efficiency and performance of electronic devices.
Collaborations
Tominaga has collaborated with notable colleagues, including Shigeyuki Murai and Tetsuro Asano. Their combined expertise has contributed to advancements in semiconductor technology.
Conclusion
Hisaaki Tominaga is a key figure in the semiconductor industry, with a focus on improving device performance through innovative designs. His contributions are shaping the future of electronic technology.
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.