Company Filing History:
11 out of 39,237 
6 out of 154 
Years Active: 1995-2000
Title: The Innovative Contributions of Hisayoshi Watanabe
Introduction: Hisayoshi Watanabe, based in Kawasaki, Japan, is a prominent inventor known for his impactful contributions in the field of semiconductor technology. With a remarkable record of 11 patents, Watanabe has made significant strides in enhancing the reliability and efficiency of flash-erasable semiconductor memory devices.
Latest Patents: Among his notable inventions, Watanabe's latest patent addresses a flash-erasable semiconductor memory device designed with improved reliability. This innovative device comprises a memory cell array containing multiple memory cell transistors, each equipped with an insulated floating gate for information storage, along with a control electrode provided on the floating gate. The device features a write control circuit that is supplied with a write control signal for the writing process. It produces a control signal ensuring that the leading edge of the drain control signal occurs after the leading edge of the gate control signal, while the gate control circuit shuts off the gate control signal so that the trailing edge appears after the trailing edge of the drain control signal.
Career Highlights: Watanabe has had a successful career, working at distinguished companies such as Fujitsu Corporation and Fujitsu VLSI Limited. His expertise in semiconductor technology has significantly influenced the development of advanced memory devices.
Collaborations: Throughout his career, Hisayoshi Watanabe collaborated with several accomplished engineers, including Takao Akaogi and Yasushige Ogawa. These collaborations have further propelled the advancement of innovations within the semiconductor industry, showcasing the collaborative nature of technological development.
Conclusion: Hisayoshi Watanabe continues to be a vital figure in the field of electronics, particularly in the realm of flash memory devices. His groundbreaking inventions and collaborative efforts reflect a commitment to innovation that enhances technology and paves the way for future advancements in semiconductor applications.