Nara, Japan

Makoto Kitabatake

USPTO Granted Patents = 72 


Average Co-Inventor Count = 3.4

ph-index = 18

Forward Citations = 1,338(Granted Patents)

Forward Citations (Not Self Cited) = 1,327(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Katano, JP (1989)
  • Nara, JP (1994 - 2015)

Company Filing History:


Years Active: 1989-2015

Loading Chart...
Loading Chart...
Areas of Expertise:
Electric Power Converting Apparatus
Induction Heating Apparatus
Synchronous Electric Motor
Power Conversion Circuit
Wide Band Gap Semiconductor
Silicon Carbide Semiconductor
High-Breakdown-Voltage Insulated Gate
Sustaining Circuit
Electron Emission Element
MISFET
Stacked Semiconductor Transistors
Load Drive System
72 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Makoto Kitabatake**

Introduction

Makoto Kitabatake, a prominent inventor based in Nara, Japan, has made significant contributions to the field of electrical engineering and power conversion. With an impressive portfolio of 72 patents, his work focuses on enhancing the efficiency and performance of electrical systems.

Latest Patents

Among his latest innovations are the "Electric Power Converting Apparatus" and "Induction Heating Apparatus." The electric power converting apparatus aims to reduce ripple current flowing through a capacitor in a power converter circuit, enhancing its overall performance. This invention involves a current sensor connected between a capacitor and an inverter circuit, which detects the current flowing from the capacitor to the inverter. A frequency detecting subunit analyzes the waveform of the current to identify the frequency component with the largest amplitude and its zero-crossing point. Subsequently, a carrier signal control subunit adjusts the frequency and rise time of a PWM carrier signal to align with the detected parameters.

Furthermore, Kitabatake introduced a synchronous electric motor drive system featuring slit windings. This innovative design enhances the flexibility of torque characteristics compared to conventional methods. The system incorporates a rotor and stator, with slits formed at the tips of adjacent stator teeth and a concentrated winding of main coils. The system's drive device allows separate control of electric currents supplied to the main coils and sub-coils, optimizing performance.

Career Highlights

Kitabatake has held positions at reputable companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experience in these organizations has contributed to his expertise and the development of cutting-edge technologies in electrical engineering.

Collaborations

Throughout his career, Kitabatake collaborated with notable colleagues, including Kunimasa Takahashi and Masao Uchida. These collaborations have facilitated the exchange of ideas and further advancements in their respective fields.

Conclusion

Makoto Kitabatake's innovative spirit and dedication to advancing electrical engineering have placed him among the leading inventors in his field. His contributions through numerous patents continue to influence advancements in technology, particularly in power conversion and motor drive systems, paving the way for a more efficient future.

This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…