This inventor holds 4 USPTO granted patents. Top assignees: Tdk Corporation, Toyota Jidosha Kabushiki Kaisha, Denso Corporation. Active years: 2008-2019.
Location History:
- Tokyo, JP (2008)
- Toyota, JP (2018 - 2019)
Company Filing History:



Years Active: 2008-2019
Title: Tsutomu Hatakeyama: Innovator in Rotary Electric Machines and Thermistors
Introduction
Tsutomu Hatakeyama is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of electrical engineering, particularly in the design of rotary electric machines and thermistors. With a total of 4 patents to his name, Hatakeyama's work reflects a commitment to innovation and technological advancement.
Latest Patents
One of Hatakeyama's latest patents is for a stator of a rotary electric machine. This invention includes a stator core, three-phase coils, and a neutral point connection conductor. The three-phase coils are wound around the stator core, and the neutral point connection conductor connects each of the three-phase coils. The design features a linear conductor that is bent, with two end portions and an overlapping portion where the conductor is folded back and doubled up. This innovative approach enhances the efficiency of rotary electric machines.
Another significant patent involves a thermistor that includes a thermistor element and a case housing the thermistor. The case has a bottom section at one end and an opening section at the other end. The thermistor element is housed within the case, along with a conducting wire connected to it. The lead wire has a first portion with an insulating coating and a second portion that is exposed. The design ensures that the thermistor element and conducting wire are securely enclosed, while the first portion is guided out of the resin to the outside of the case.
Career Highlights
Throughout his career, Tsutomu Hatakeyama has worked with prominent companies such as TDK Corporation and Toyota Motor Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in electrical engineering.
Collaborations
Hatakeyama has collaborated with notable coworkers, including Keiichi Kaneshige and Masayuki Ikemoto. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Tsutomu Hatakeyama's contributions to the fields of rotary electric machines and thermistors highlight his innovative spirit and dedication to engineering excellence. His patents reflect a deep understanding of electrical systems and a commitment to improving technology for future applications.