Hirohisa Abe, a renowned inventor based in Osaka, Japan, has made significant contributions to the field of semiconductor technology. With a robust portfolio consisting of 16 patents, Abe's innovations reflect a deep understanding of electrical engineering principles and an unwavering commitment to advancing technology.

Latest Patents

Among Hirohisa Abe's latest inventions are two notable patents:

1. **Semiconductor Apparatus and Method of Controlling Operation Thereof**: This patent describes a semiconductor apparatus featuring an input terminal for voltage application and an output terminal for obtaining the corresponding output voltage. The device is equipped with a power supply circuit that generates an output voltage influenced by a duty cycle of a voltage setting signal. A determination circuit unit plays a critical role by activating or deactivating the power supply circuit based on the signal level maintained for a specified duration.

2. **Switching Regulator**: This patent details a switching regulator that effectively converts input voltage into output voltage. It operates under an enable signal that puts the device in a standby status. Key components include a switching transistor for adjusting input, an inductor for energy storage, and a control circuit to balance the output voltage to a reference level. This innovation highlights the regulatory capabilities in standby and normal operations, showcasing Abe's engineering finesse.

Career Highlights

Hirohisa Abe's career is marked by his position at Ricoh Company, Ltd., where he has been instrumental in developing cutting-edge semiconductor technologies. His innovative spirit and technical expertise have positioned him as a vital contributor within the organization.

Collaborations

Throughout his career, Abe has collaborated with esteemed colleagues, including Hiroaki Nakanishi and Kunio Matsudaira. These partnerships have allowed for a synergy of ideas and innovation, further advancing the projects and technologies they have worked on together.

Conclusion

Hirohisa Abe exemplifies the innovative spirit required in today’s rapidly evolving technological landscape. His patents not only reflect his ingenuity but also contribute significantly to the future of semiconductor technology. As he continues to work at Ricoh Company, Ltd., Abe's advancements are sure to have a lasting impact on the industry.

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