Morihito Hasegawa

Title: Morihito Hasegawa: A Visionary in Circuit Design Innovations

Introduction

Morihito Hasegawa, an accomplished inventor based in Kasugai, Japan, holds an impressive portfolio of 32 patents. His innovative contributions primarily focus on the realms of electronic circuit design and control systems, making significant advancements in technology.

Latest Patents

Among his notable inventions, Hasegawa's latest patents include a **Linear Drop-Out Regulator Circuit**. This invention features a linear regulator circuit comprising an output transistor that delivers an output current determined by the input voltage. It also incorporates an error amplifier that generates a control signal based on the voltage difference between the output voltage and a reference voltage. Additionally, a buffer circuit links the error amplifier to the output transistor, while a drive capability adjustment circuit synchronizes the load drive capability with the output current.

Another significant patent is the **Fractional Frequency Divider PLL Device and Control Method**. This invention innovatively maintains the second frequency-divided signal fA at a low level while keeping the third frequency-divided signal fB high during specified cycles. This device facilitates a frequency division operation through modulation using pseudo-random numbers, including negative values, thus enhancing the versatility and functionality of frequency division in electronic systems.

Career Highlights

Hasegawa's professional journey includes positions at prominent companies such as Fujitsu Corporation and Fujitsu Semiconductor Limited. His work has greatly contributed to advancements in electronic components and embedded systems.

Collaborations

Throughout his career, Hasegawa has had the privilege of collaborating with esteemed colleagues, including Hidekiyo Ozawa and Takashi Matsumoto. These collaborations have fostered innovation and have played a crucial role in the success of Hasegawa's projects.

Conclusion

Morihito Hasegawa continues to make significant strides in the field of electronics with his innovative patents and collaborations. His work exemplifies the spirit of invention, and his contributions will undoubtedly influence the technological landscape for years to come.