Company Filing History:

9 out of 42,485

Hitachi, Ltd.

patents

2 out of 2,028

Hitachi Automotive Systems, Ltd.

patents

Years Active: 1988-2020

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10800444 - Electric driving device and electric power steering device (2020-10-13),

2. 10536049 - Electronic control device and electric power steering device (2020-01-14),

3. 8283830 - Rotating electric machine and drive system thereof (2012-10-09),

4. 6734595 - Electric rotating machine having structure of shifting stator position by predetermined angle (2004-05-11),

5. 6713935 - Electric rotating machine having structure of shifting stator position by predetermined angle (2004-03-30),

6. 6452304 - Electric rotating machine having structure of shifting stator position by predetermined angle (2002-09-17),

7. 6348753 - Electric rotating machine having structure of shifting stator position by predetermined angle (2002-02-19),

8. 6229241 - Structure and manufacturing method for motor and stator (2001-05-08),

9. 6222296 - Electric motor having a stator with an end core part having a different shape than a central core part (2001-04-24),

10. 5059559 - Method of aligning and bonding tab inner leads (1991-10-22),

11. 4788482 - Position correcting control system for servomechanism device (1988-11-29),

Title: Toshihiko Sakai: Innovator in Electric Driving Technology

Introduction

Toshihiko Sakai is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of electric driving devices and power steering technology. With a total of 11 patents to his name, Sakai's work has had a substantial impact on the automotive industry.

Latest Patents

Sakai's latest patents include an electric driving device and an electric power steering device. The electric driving device features a design where two positive-electrode-side power lines are arranged from the outer peripheral side to the inner side of a mounting substrate. This innovative arrangement allows for power conversion circuits to be positioned on both sides of the substrate, facilitating efficient drive control of an electric motor. By minimizing wiring length and circuit mounting area, this design effectively suppresses the radial size increase of the mounting substrate.

In addition, his electronic control device aims to reduce inductance in power circuits, thereby decreasing switching loss and noise levels. This improvement enhances the voltage-use ratio of battery power in a redundant-type electronic control device. The design of the power terminals in the power module is strategically arranged to optimize performance and efficiency.

Career Highlights

Throughout his career, Toshihiko Sakai has worked with notable companies such as Hitachi, Ltd. and Hitachi Automotive Systems, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in electric driving technology.

Collaborations

Sakai has collaborated with talented individuals in the field, including Koichiro Ohara and Takuya Kawashima. These collaborations have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Toshihiko Sakai is a distinguished inventor whose work in electric driving devices and power steering technology has made a lasting impact on the automotive industry. His innovative patents and collaborations reflect his commitment to advancing technology in this field.

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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.