Location History:
- Mukou, JP (2005 - 2008)
- Kyoto, JP (2007 - 2013)
Company Filing History:
9 out of 16,453 
3 out of 27,375 
Years Active: 2005-2013
Title: Marefusa Kurumada: Innovator in Semiconductor Technology
Introduction
Marefusa Kurumada is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 12 patents. His innovative work has advanced the capabilities of semiconductor memory devices, showcasing his expertise and dedication to the field.
Latest Patents
Kurumada's latest patents include a semiconductor memory device that features a control circuit designed to optimize the performance of memory cells. This device supplies a word line drive voltage to one of the word lines corresponding to a memory cell during a specific drive period. The design aims to decrease the current capabilities of load transistors during the initial phase and enhance them in the subsequent phase. Another notable patent involves a semiconductor memory device that comprises multiple memory cells, each equipped with a holding circuit for retaining memory data. This device includes a read-only output circuit that outputs a signal based on the data held, with a read drive transistor that is controlled according to the signal from the holding circuit.
Career Highlights
Throughout his career, Marefusa Kurumada has worked with leading companies in the electronics industry, including Panasonic Corporation and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.
Collaborations
Kurumada has collaborated with notable professionals in the field, including Toshio Terano and Satoshi Ishikura. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Marefusa Kurumada's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of memory devices, demonstrating the importance of innovation in technology.