Location History:
- Katsuta, JP (1979 - 1985)
- Nagareyama, JP (1987)
- Ryugasaki, JP (1988 - 1998)
Company Filing History:
7 out of 42,485 
5 out of 900 
Years Active: 1979-1998
Title: Takanobu Hatakeyama: Innovator in Power Source Technology
Introduction
Takanobu Hatakeyama is a notable inventor based in Katsuta, Japan. He has made significant contributions to the field of power source technology, holding a total of 11 patents. His work has been instrumental in advancing the efficiency and functionality of various electrical systems.
Latest Patents
Among his latest innovations is a power source apparatus that includes a plurality of output current amplifiers connected in parallel with a load. This apparatus effectively distributes a current command value to the amplifiers, ensuring that each one supplies an output current corresponding to the distributed command value. This design prevents circulating currents between the amplifiers by controlling their output to maintain a zero difference from the command value or by incorporating current limiting devices. Another significant patent is for an inverter type X-ray apparatus, which utilizes a high voltage transformer and a high voltage rectifier circuit to generate a DC voltage for an X-ray tube. The apparatus features a chopping operation at a frequency higher than the inverter drive frequency, allowing for a gradual increase in the duty cycle of the operation.
Career Highlights
Takanobu Hatakeyama has worked with prominent companies such as Hitachi, Ltd. and Hitachi Medical Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in power source technology.
Collaborations
Throughout his career, Hatakeyama has collaborated with notable colleagues, including Yasunori Katayama and Sadao Hokari. These partnerships have contributed to the successful development of his patented technologies.
Conclusion
Takanobu Hatakeyama's contributions to power source technology are significant and impactful. His innovative patents reflect his expertise and dedication to advancing electrical systems. His work continues to influence the industry and inspire future innovations.
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.