Location History:
- Takatsuki, JP (2001)
- Osaka, JP (2001 - 2003)
Company Filing History:
3 out of 27,375 
1 out of 28 Years Active: 2001-2003
Title: **Inventor Hidefumi Otsuka: Pioneering Innovations in Semiconductor Technology**
Introduction
Hidefumi Otsuka, located in Osaka, Japan, is an influential inventor known for his significant contributions to semiconductor technology. With a total of four patents to his name, Otsuka has demonstrated a commitment to enhancing the efficiency and performance of semiconductor devices, particularly in the realm of dynamic random access memory (DRAM).
Latest Patents
Otsuka's latest innovations include two notable patents. The first patent focuses on a semiconductor device featuring a semiconductor integrated circuit that incorporates multiple semiconductor memory devices functioning as DRAMs along with an output selector on the same chip. This design optimizes the chip's external terminals for receiving various control signals, thereby enhancing the performance of the memory devices.
The second patent presents a method for testing a semiconductor storage device. This innovation allows for the rapid assessment of a DRAM's charge-holding characteristics concerning electric charge leakage through the bit line. The design includes a memory cell array, sense amplifiers, and specific circuits to facilitate ordinary operations or testing modes, significantly improving the testing efficiency.
Career Highlights
Hidefumi Otsuka has had a prestigious career, working with prominent companies like Matsushita Electric Industrial Co., Ltd., contributing his expertise to the development of innovative semiconductor technologies. His career reflects a deep engagement with cutting-edge research and practical applications in the semiconductor industry.
Collaborations
Throughout his influential career, Otsuka has collaborated with talented individuals, including notable coworkers such as Yuji Yamasaki and Tomonori Fujimoto. These collaborations have strengthened his innovations and contributed to advancements in memory technology.
Conclusion
Hidefumi Otsuka stands out as a pioneering inventor in the semiconductor field, with a focus on improving DRAM technology. Through his latest patents and collaborations, he continues to make significant strides in the industry, solidifying his legacy as a respected innovator in Japan and beyond.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.