Company Filing History:
15 out of 42,485 
2 out of 2,333 
1 out of 4 
Years Active: 1978-1990
Title: The Innovative Journey of Hisao Amano
Introduction: Hisao Amano, a prominent inventor from Hitachi, Japan, has made significant contributions in the field of power supply systems. With a robust portfolio of 15 patents, his innovative work primarily focuses on enhancing the efficiency and performance of electrical power conversion technologies.
Latest Patents: Among his latest inventions, Amano has developed a switching power supply that utilizes a step-up transformer. This innovative approach allows for the impedance viewed from the primary side to differ from that viewed from the secondary side. This unique design enables the inductance of both primary and secondary windings to be independently adjustable. Additionally, his pulse-width modulated inverter with high-to-low frequency output converts DC voltage into high-frequency voltage, which is then transformed into high-frequency high voltage. This process is crucial for maintaining the output of the power conversion system, preventing any decline during operation.
Career Highlights: Hisao Amano has had a distinguished career working with respected companies such as Hitachi, Ltd. and Hitachi Metals, Ltd. Throughout his professional journey, he has focused on advancing technologies that bolster the capabilities of power systems, demonstrating a commitment to innovation and excellence in engineering.
Collaborations: Amano has collaborated with notable coworkers including Norikazu Tokunaga and Hiroshi Fukui. Together, they have shared insights and expertise that have propelled technological advancements within their field.
Conclusion: Hisao Amano's innovative contributions to power supply technology highlight the importance of creativity and engineering in the electrical industry. With a total of 15 patents, his work not only showcases his individual talent but also reflects the collaborative spirit of innovation found in research and development environments. His achievements continue to inspire future generations of inventors and engineers.
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.