Tsuyoshi Okamoto

Title: Tsuyoshi Okamoto: Innovator in Semiconductor Technology and Lubricants

Introduction

Tsuyoshi Okamoto is a notable inventor based in Kyoto, Japan. He has made significant contributions to the fields of semiconductor technology and lubricants. With a total of 5 patents to his name, Okamoto's work reflects his innovative spirit and technical expertise.

Latest Patents

One of Okamoto's latest patents is for a nonvolatile semiconductor storage device. This device features floating-gate memory cells and a memory control circuit that manages their operation. During the programming of these memory cells, the control circuit ensures that the potentials at the backgate and source are equal. For instance, it can short-circuit the backgate and source during programming, transitioning from equal potentials to a floating state. Another significant invention is a water-soluble lubricating oil. This lubricant includes a water-soluble base and a corrosion inhibitor, with the base containing at least one polyether. Notably, a 0.1% by weight aqueous solution of this lubricating oil achieves a surface tension of 31 mN/m or higher.

Career Highlights

Throughout his career, Okamoto has worked with prominent companies such as Sanyo Chemical Industries and Kobelco Eagle Marine Engineering. His experience in these organizations has contributed to his development as an inventor and innovator.

Collaborations

Okamoto has collaborated with several talented individuals, including Yoshitaka Katsukawa and Takaichi Imai. These partnerships have likely enriched his work and led to further advancements in his inventions.

Conclusion

Tsuyoshi Okamoto's contributions to semiconductor technology and lubricants highlight his innovative capabilities. His patents reflect a commitment to advancing technology and improving existing products. His work continues to influence the fields in which he operates.