This inventor holds 22 USPTO granted patents. Top assignees: Matsushita Electric Industrial Co., Ltd., Matsushita Electronics Corporation, Symetrix Corporation. Active years: 1987-2005.
Location History:
- Fukui, JP (1999)
- Takatsuki, JP (1987 - 2003)
- Osaka, JP (1998 - 2005)
Company Filing History:
9 out of 27,375 
7 out of 655 
5 out of 134 Years Active: 1987-2005
Title: Tatsuo Otsuki: Pioneer in Ferroelectric Memory Technology
Introduction
Tatsuo Otsuki is a prominent inventor based in Osaka, Japan, known for his extensive contributions to the field of semiconductor memory technology. With a remarkable portfolio of 22 patents, Otsuki has made significant advancements, particularly in ferroelectric memory systems, which enhance data storage capabilities in electronic devices.
Latest Patents
Otsuki's latest patents demonstrate his innovative spirit and technical expertise. One of his notable inventions is the "Ferroelectric memory and method of operating same." This patent describes a ferroelectric memory that incorporates a group of memory cells, each equipped with a ferroelectric memory element. The design includes critical components such as a drive line responsible for writing data, a bit line for reading information, and a preamplifier that connects the memory cells to the bit line. The memory operates by applying a voltage lower than the coercive voltage of the ferroelectric element during read operations, ensuring precise data retrieval. Another key patent, titled "Semiconductor memory device," details a semiconductor memory device that utilizes a field-effect transistor with a gate electrode formed over a semiconductor substrate, integrating a ferroelectric layer that enhances performance while mitigating leakage currents.
Career Highlights
Throughout his career, Tatsuo Otsuki has worked with renowned companies such as Matsushita Electric Industrial Co., Ltd. and Matsushita Electronics Corporation. His experience with these industry leaders has allowed him to apply his innovative ideas in practical settings, driving advancements in memory technology.
Collaborations
Otsuki has collaborated with esteemed colleagues in the field, including Shinichiro Hayashi and Koji Arita. These partnerships have furthered the development of cutting-edge technologies and have contributed to the success of various projects within the semiconductor industry.
Conclusion
Tatsuo Otsuki's contributions to the world of ferroelectric memory technology have positioned him as a leading inventor in the field. With 22 patents to his name, his innovative approach and commitment to pushing the boundaries of semiconductor technology continue to inspire future advancements in data storage and memory systems.