Company Filing History:
8 out of 42,488 
1 out of 149 
1 out of 4 Years Active: 1987-1992
Title: Fumio Tsuchiya: Innovator in Semiconductor Technology
Introduction
Fumio Tsuchiya is a notable inventor based in Kodaira, Japan. He holds a total of eight patents, showcasing his significant contributions to the field of semiconductor technology. His work has had a lasting impact on the development of memory systems and microprocessors.
Latest Patents
One of Tsuchiya's latest patents involves a semiconductor memory system. This invention features an electrically programmable read-only memory equipped with latch circuits for sequentially introducing series signals fed through external terminals. The converter includes sequentially operated switch elements and latch circuits to convert the series signals into parallel signals. This method allows for high-speed writing operations into the memory array, even when one writing operation is relatively long due to the parallel signal action.
Another significant patent is for a microprogram-controlled microprocessor that has a selectively expandable instruction code length. In this microprocessor, a minimum instruction code length is set to a predetermined number of bits, such as one byte. A key feature of this invention is the use of an instruction set that can selectively expand the instruction code length at a unit of the predetermined number of bits. Additionally, the operand addressing mode and the type of operation for an operand are designated by separate predetermined code bits, which are coded in a common coding scheme.
Career Highlights
Throughout his career, Fumio Tsuchiya has worked with prominent companies, including Hitachi, Ltd. and Hitachi Microcomputer Engineering, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in technology.
Collaborations
Some of Tsuchiya's notable coworkers include Minoru Fukuda and Hideaki Takahashi. Their collaborative efforts have likely played a role in the success of various projects and innovations.
Conclusion
Fumio Tsuchiya's contributions to semiconductor technology and microprocessor design have established him as a significant figure in the field. His innovative patents continue to influence the development of advanced memory systems and processing units.
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.