This inventor holds 10 USPTO granted patents and 1 published patent application. Top assignee: Rohm Co., Ltd.. Active years: 1998-2023.
Company Filing History:
Years Active: 1998-2023
Title: Hiroyuki Hatano: Innovator in Power Supply Technology
Introduction
Hiroyuki Hatano is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of power supply technology, holding a total of 10 patents. His work focuses on innovative solutions that enhance the efficiency and functionality of power supply systems.
Latest Patents
Hiroyuki Hatano's latest patents include a power supply control device and a switching power supply featuring a start-up circuit. This power supply control device is designed to drive a transformer of an insulated switching power supply. It incorporates a drive switch circuit formed by cascade-connecting a depletion type first transistor and an enhancement type second transistor. Additionally, it features a control circuit that manages the second transistor and a start-up circuit that charges the power supply voltage of the control circuit using the source voltage of the first transistor.
Another notable patent is the power supply control device for an LLC resonant converter. This device controls the driving of an LLC resonant converter, which includes a first switching element connected to an input voltage and a second switching element linked to the first. The device also features an on-timing controller that detects variations in a switching voltage detection signal, generating signals to turn on the respective switching elements based on the detection results.
Career Highlights
Hiroyuki Hatano is currently employed at Rohm Co., Ltd., a leading company in semiconductor and electronic components. His work at Rohm has allowed him to develop cutting-edge technologies that are widely used in various applications.
Collaborations
Hiroyuki has collaborated with notable coworkers, including Akeyuki Komatsu and Hiroki Kikuchi. Their combined expertise has contributed to the advancement of innovative power supply solutions.
Conclusion
Hiroyuki Hatano's contributions to power supply technology through his patents and work at Rohm Co., Ltd. highlight his role as a key innovator in the field. His inventions continue to influence the development of efficient power supply systems.