Location History:
- Yokohama, JP (1992)
- Dazaifu, JP (2001)
- Fukuoka, JP (2005 - 2016)
Company Filing History:
Years Active: 1992-2016
Title: Kazunori Hayami: Innovator in Power Supply and Interface Circuits
Introduction
Kazunori Hayami is a prominent inventor based in Fukuoka, Japan. He has made significant contributions to the field of electrical engineering, particularly in power supply apparatus and interface circuits. With a total of 6 patents to his name, Hayami continues to push the boundaries of innovation in his field.
Latest Patents
One of Hayami's latest patents is a power supply apparatus that includes a power supply section and a control section. The power supply section features a first switch for switching power-supply output, an inductor, and a capacitor that form an LC circuit to resonate the current flowing through the first switch. Additionally, a second switch changes the capacitance of the capacitor. The control section is designed to find a correspondence between the time ratio of a switching pulse of the first switch and a resonance frequency, allowing for precise control of the LC circuit.
Another notable patent is an interface circuit that comprises a driver circuit made up of multiple transistors, a calibration circuit for selecting the on and off states of the transistors, and a terminating resistor connected to the output side of the driver circuit. This innovative design ensures that the combination resistance value matches the characteristic impedance of the transmission line, enhancing performance and reliability.
Career Highlights
Kazunori Hayami is currently employed at Fujitsu Corporation, where he applies his expertise in developing cutting-edge technologies. His work has significantly impacted the efficiency and functionality of power supply systems and interface circuits.
Collaborations
Hayami has collaborated with notable colleagues, including Koichi Kimotsuki and Tatsuo Nagayoshi. Their combined efforts have led to advancements in their respective fields, fostering a collaborative environment that encourages innovation.
Conclusion
Kazunori Hayami is a distinguished inventor whose work in power supply apparatus and interface circuits has made a lasting impact on electrical engineering. His innovative patents and collaborations continue to inspire advancements in 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.