Location History:
- Anjo, JP (2001 - 2006)
- Aichi-ken, JP (2006 - 2009)
Company Filing History:
Years Active: 2001-2009
Title: Innovations by Naruhiko Kutsuna
Introduction
Naruhiko Kutsuna is a prominent inventor based in Aichi-ken, Japan. He has made significant contributions to the field of drive units and inverters, holding a total of 6 patents. His work focuses on enhancing the efficiency and cooling techniques of electric motors and inverters.
Latest Patents
Kutsuna's latest patents include a drive unit and inverter with a cooling technique. This innovative drive unit comprises an electric motor, a casing that accommodates the motor, and an inverter that controls its operation. A unique feature of this design is the flow passage of a refrigerant that cools the inverter. The inverter is strategically mounted to the drive unit casing, creating a space that communicates with the refrigerant flow passage. This design allows for effective cooling through heat exchange with the refrigerant. Additionally, the heat sink includes fins that cross the space, ensuring low thermal conduction with the casing, which enhances cooling efficiency while maintaining the temperature gradient suitable for the inverter and electric motor.
Another notable patent is the drive device, which also features an electric motor and inverter within a drive unit casing. Similar to his previous invention, this design includes a flow passage for refrigerant cooling. The heat sink is mounted on the inverter, with a defined space that allows for effective cooling through heat exchange. The fins on both the heat sink and the drive unit casing are designed to be apart from each other, preventing direct heat conduction and enabling efficient cooling.
Career Highlights
Kutsuna is currently employed at Aisin Aw Co., Ltd., where he continues to innovate in the field of electric drive systems. His work has significantly impacted the efficiency of electric motors and inverters, contributing to advancements in automotive and industrial applications.
Collaborations
Kutsuna has collaborated with notable coworkers, including Masayuki Takenaka and Kozo Yamaguchi. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Naruhiko Kutsuna's contributions to the field of drive units and inverters demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of thermal management in electric systems, paving the way for 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.