This inventor holds 2 USPTO granted patents. Top assignee: Tdk Corporation. Active years: 2004-2007.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Chuo-ku, JP (2004)
- Nihonbashi, JP (2007)
Company Filing History:
Years Active: 2004-2007
Title: Haruhiko Hatakeyama: Innovator in Switching Power Supply Technology
Introduction
Haruhiko Hatakeyama is a prominent inventor based in Nihonbashi, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of switching power supply technologies. With a total of 2 patents to his name, Hatakeyama's work has had a notable impact on the industry.
Latest Patents
Hatakeyama's latest patents include innovative designs for switching power supply units. One of his patents describes a first side circuit connected to a primary coil of a transformer, which includes a main switching element that drives the primary coil. This design features a control circuit that detects output voltage to maintain a constant output by utilizing a voltage induced in a tertiary coil of the transformer. Additionally, the secondary side circuit incorporates a dummy load circuit and a detection circuit that manages current flow based on load conditions.
Another significant patent focuses on a switching power supply that prevents output voltage fluctuations when an operation stop instruction is issued. This invention employs a transformer with primary and secondary coils, a switching circuit, a rectifier, and a control circuit. The design ensures that the output voltage can be linearly reduced, enhancing the reliability of the power supply.
Career Highlights
Haruhiko Hatakeyama is currently associated with TDK Corporation, a leading company in electronic components and solutions. His work at TDK has allowed him to further develop his innovative ideas and contribute to advancements in power supply technology.
Collaborations
Throughout his career, Hatakeyama has collaborated with notable colleagues, including Masato Watanabe and Masaharu Hatta. These collaborations have fostered a creative environment that has led to the development of cutting-edge technologies in the field.
Conclusion
Haruhiko Hatakeyama's contributions to switching power supply technology exemplify his innovative spirit and dedication to engineering excellence. His patents reflect a deep understanding of electrical systems and a commitment to improving power supply reliability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile