This inventor holds 3 USPTO granted patents. Top assignees: Ricoh Company, Ltd., Sanyo Chemical Industries, Ltd.. Active years: 1993-1997.
Company Filing History:
3 out of 28,915 
1 out of 359 
Years Active: 1993-1997
Title: The Innovations of Sachiko Kimura
Introduction
Sachiko Kimura is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the fields of ferroelectric materials and semiconductor memory technologies. With a total of 3 patents to her name, her work has had a substantial impact on modern electronics.
Latest Patents
Her latest patents include advancements in ferroelectric materials and semiconductor memory. The ferroelectric material she developed exhibits hysteresis characteristics in the polarization-electric field relationship. It shows an antiferroelectric phase at room temperature and undergoes a structural phase transition from the antiferroelectric state to a ferroelectric phase when an electric field is applied. Notably, the phase transition electric field for this transition shifts to a lower electric field as the temperature increases. Additionally, the phase transition electric field for the reverse transition has a negative value. Her innovations also encompass a semiconductor non-volatile memory, a rewritable optical recording medium, a highly integrated micro-displacement control device, and a shape memory device, all utilizing the aforementioned ferroelectric material.
Career Highlights
Throughout her career, Sachiko has worked with notable companies such as Ricoh Company, Ltd. and Sanyo Chemical Industries, Ltd. Her experience in these organizations has allowed her to refine her expertise and contribute to groundbreaking technologies.
Collaborations
Sachiko has collaborated with esteemed colleagues, including Yoshikazu Akiyama and Toshiyuki Ohsawa. These partnerships have fostered innovation and have been instrumental in her research and development efforts.
Conclusion
Sachiko Kimura's contributions to the fields of ferroelectric materials and semiconductor memory are noteworthy. Her innovative patents and collaborations highlight her role as a leading inventor in the technology sector. Her work continues to influence advancements in electronics and materials science.