Company Filing History:
5 out of 1,327 
1 out of 54 Years Active: 1985-2002
Title: Masuo Hanawaka: Innovator in Power Electronics
Introduction
Masuo Hanawaka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of power electronics, holding a total of 6 patents. His work focuses on improving the efficiency and reliability of power supply systems.
Latest Patents
One of Hanawaka's latest patents is a DC/DC converter that features a control circuit designed to reduce losses at light loads. This innovative converter utilizes a first control device that turns ON and OFF power to the primary winding of the transformer based on the difference between the output voltage and the desired output voltage. Additionally, a second control device activates a switching device of a clamping circuit connected to the primary winding for a specified duration after the first control device has turned OFF the power. Another notable patent is a pulse width control IC circuit that significantly reduces costs, increases packaging density, and enhances reliability for switching power supply units. This IC circuit is integrated on a single chip and includes a main converter control section that manages the ON and OFF actions of a main switch outside the IC, as well as an output MOSFET and an auxiliary converter control section.
Career Highlights
Throughout his career, Hanawaka has worked with esteemed companies such as Yokogawa Electric Corporation and Yokogawa Hokushin Electric Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in power electronics.
Collaborations
Hanawaka has collaborated with notable colleagues, including Masaki Shioya and Yoshio Fukai. These partnerships have contributed to the advancement of his projects and the successful development of his patents.
Conclusion
Masuo Hanawaka is a distinguished inventor whose work in power electronics has led to several impactful patents. His innovative solutions continue to shape the industry and improve the efficiency of power supply systems.
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.