Company Filing History:
31 out of 35,705 
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2 out of 2,467 
Years Active: 1994-2011
Title: Hirohito Watanabe: Innovator in Semiconductor Technology
Introduction: Hirohito Watanabe is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of semiconductor technology. With an impressive portfolio of 31 patents, Watanabe has made impactful innovations that enhance the performance and efficiency of nonvolatile memory technologies.
Latest Patents: Watanabe's latest patents showcase his expertise and forward-thinking approach. One of his notable inventions is the "Nonvolatile semiconductor storage unit and production method therefor". This innovation involves the formation of a diffusion layer in the surface region of a semiconductor substrate and includes a control gate electrode. The design incorporates a drain leader line made of n-type polysilicon and an annular floating gate. The method described allows for improved integration and efficiency of flash memory systems by manipulating voltage applications for writing and erasing data.
Another significant patent is the "Semiconductor device and manufacturing method thereof". This patent details a semiconductor device that includes first and second active regions separated by an element isolation region. The device features a line-shaped electrode that connects these active regions and incorporates FETs with gate insulating films and varied materials. These advancements aim to optimize semiconductor performance by adjusting the physical properties of the electrode.
Career Highlights: Hirohito Watanabe's career includes notable positions at major companies, namely NEC Corporation and ASM Japan K.K. His work at these organizations has allowed him to drive significant advancements in semiconductor manufacturing, positioning him as a leader in the industry.
Collaborations: Throughout his career, Watanabe has collaborated with talented individuals in the field, including Toru Tatsumi and Toshiyuki Hirota. These partnerships have fostered an environment of innovation, leading to breakthroughs in semiconductor technology and memory storage solutions.
Conclusion: With his extensive experience and groundbreaking patents, Hirohito Watanabe continues to influence the world of semiconductor technology. His innovative designs and methods play a crucial role in the development of nonvolatile memory systems, ensuring his legacy as a transformative inventor in the industry.