Location History:
- Hitachi, JP (1992 - 2013)
- Kunitachi Tokyo, JP (2018)
- Tokyo, JP (2003 - 2022)
Company Filing History:
8 out of 42,485 
3 out of 29,232 
2 out of 52,711 
Years Active: 1992-2022
Title: Hiroaki Kojima: Innovator in Diagnostic Devices and Dynamo-Electric Machines
Introduction
Hiroaki Kojima is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the fields of diagnostic devices and dynamo-electric machines. With a total of 15 patents to his name, Kojima has made remarkable advancements that enhance the efficiency and reliability of electric motors.
Latest Patents
One of Kojima's latest inventions is a diagnostic device and method that includes an input/output unit for receiving current values from electric motors. This device features a frequency analysis unit that converts these current values into frequency intensity. Additionally, it has a deterioration mode decomposition unit that calculates an activity level indicating the deterioration intensity over time. An abnormality determination unit is also included to assess the condition of each part of the motor. Another notable patent is for a dynamo-electric machine that incorporates coils insulated by semi-conductive layers. This design reduces discharge in the core slot, regardless of the stator coil's position, enhancing the overall performance of the machine.
Career Highlights
Kojima has worked with renowned companies such as Hitachi, Ltd. and Texas Instruments Corporation. His experience in these organizations has allowed him to develop innovative technologies that address critical challenges in electrical engineering.
Collaborations
Throughout his career, Kojima has collaborated with talented individuals, including Kenji Ikeda and Daisuke Kamegawa. These partnerships have contributed to the successful development of his inventions and have fostered a collaborative environment for innovation.
Conclusion
Hiroaki Kojima's work in diagnostic devices and dynamo-electric machines showcases his dedication to advancing technology in the electrical engineering field. His numerous patents reflect his innovative spirit and commitment to improving the functionality and reliability of electric motors.
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.