Location History:
- Hachioji, JP (2004 - 2016)
- Tokyo, JP (2018)
Company Filing History:
6 out of 8,194 
1 out of 46 
Years Active: 2004-2018
Title: Tomoyuki Hatakeyama: Innovator in Power Conversion and Medical Technology
Introduction
Tomoyuki Hatakeyama is a notable inventor based in Hachioji, Japan. He has made significant contributions to the fields of power conversion systems and medical technology, holding a total of seven patents. His innovative work has had a profound impact on both energy systems and healthcare.
Latest Patents
One of Hatakeyama's latest patents is a power conversion system and method for detecting isolated operation. This system is designed to easily distinguish between being interconnected to the power system and being in an isolated operation. It converts direct current (DC) power to alternating current (AC) power, allowing for interconnection with a power system while injecting reactive power into a grid node. The system includes various components such as a voltage detector, current detector, frequency measurement unit, and a reactive-power measurement unit, all working together to determine the operational status of the power conversion system.
Another significant invention is the ultrasound endoscope. This device features a cable that connects the endoscope to a driving apparatus and includes an insertion section that can be inserted into a subject. The endoscope is equipped with multiple transducers at its distal end, each having an electrode and a wiring section that connects to the cable. The design allows for matching electric impedance between the transducers and the driving apparatus, enhancing the functionality of the endoscope in medical applications.
Career Highlights
Throughout his career, Tomoyuki Hatakeyama has worked with prominent companies such as Olympus Corporation and Hitachi Information & Telecommunication Engineering, Ltd. His experience in these organizations has contributed to his expertise in developing innovative technologies that address real-world challenges.
Collaborations
Hatakeyama has collaborated with notable colleagues, including Daisuke Matsuo and Katsuji Horiuchi. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.
Conclusion
Tomoyuki Hatakeyama's contributions to innovation in power conversion and medical technology exemplify his dedication to advancing these fields. His patents reflect a commitment to improving efficiency and functionality in both energy systems and healthcare devices.