Location History:
- Hyogo, JP (2005 - 2006)
- Kanagawa, JP (2012 - 2017)
- Tokyo, JP (2002 - 2019)
Company Filing History:
4 out of 7,533 
3 out of 3,781 
1 out of 52 
Years Active: 2002-2019
Title: Masami Nakajima: Innovator in Semiconductor Technology
Introduction
Masami Nakajima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 9 patents. His work focuses on enhancing memory access control methods and improving data processing devices.
Latest Patents
One of Nakajima's latest patents is a semiconductor device that includes a memory unit with a lower-order memory and a cache memory. This device features a power control circuit that manages the power supply to the lower-order memory. It also includes a bus master that accesses data stored in the memory unit after locking the bus. In the event of a mishit in the cache memory, the power control circuit restores the power supply to the lower-order memory, allowing the memory unit to respond to the bus master's access request.
Another notable invention is a data processing device with multiple CPUs operating in a Single Instruction, Multiple Data (SIMD) type. This invention allows for the operation of both Multiple Instruction, Multiple Data (MIMD) and SIMD types within a multiprocessor system. It reduces power consumption during instruction fetches by enabling CPUs to operate independently or in parallel, depending on the instruction code requests.
Career Highlights
Throughout his career, Nakajima has worked with leading companies in the semiconductor industry, including Renesas Electronics Corporation and Renesas Technology Corporation. His expertise in semiconductor devices has positioned him as a key figure in advancing technology in this field.
Collaborations
Masami Nakajima has collaborated with notable professionals, including Tetsushi Tanizaki and Kazushi Sugiura. These partnerships have contributed to the development of innovative solutions in semiconductor technology.
Conclusion
Masami Nakajima's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry and drive advancements in data processing and memory access control.