Inventors with similar research interests:
Location History:
- Yokohama, JP (1986 - 1987)
- Kanagawa, JP (1992 - 2009)
- Kawasaki, JP (1987 - 2011)
Company Filing History:
52 out of 39,244 
3 out of 1,674 
2 out of 467 
Years Active: 1986-2011
Areas of Expertise:
Title: **Innovations of Yoshinori Okajima: A Pioneer in Semiconductor Memory Technology**
Introduction
Yoshinori Okajima, based in Kawasaki, Japan, has made significant contributions to the field of semiconductor memory technology. With an impressive portfolio of 59 patents, he has been at the forefront of innovations that streamline the efficiency and functionality of memory systems in electronics.
Latest Patents
Among Yoshinori Okajima's recent inventions are two notable patents focusing on advanced memory systems. The first patent details a semiconductor memory that incorporates a field programmable unit. This unit allows for the inter-conversion of external signals to be input/output to/from the memory system and internal signals to be input/output to/from a memory cell array. The programmability of the logic in the field programmable unit is established within a nonvolatile program memory unit. This innovative approach allows various semiconductor memories to operate from a single design, significantly reducing development costs by eliminating the need for multiple kinds of semiconductor memories.
His second patent focuses on enhancing data security and improving system performance through a conversion control unit. This unit effectively manages the converting function for both write and read data conversion tailored to the specific needs of each controller. As a result, external data can be accurately input and output or converted internal data can also be accessed. This functionality not only enhances system performance but also fortifies data security by restricting access to original data for unauthorized controllers.
Career Highlights
Yoshinori Okajima's professional journey includes pivotal roles at leading tech companies like Fujitsu Corporation and Fujitsu Semiconductor Limited. His expertise has led to remarkable advancements in semiconductor technologies, establishing him as an adept inventor in the electronics industry.
Collaborations
Okajima has collaborated with notable industry professionals, including Yoshihiro Takemae and Masao Taguchi. These collaborations have contributed to the success of his innovative projects and played a crucial role in his development of cutting-edge memory systems.
Conclusion
Yoshinori Okajima stands out as a prolific inventor whose passion for developing semiconductor memory technology has resulted in numerous patents. His latest innovations demonstrate a commitment to improving both efficiency and security in memory applications. With continued collaboration and groundbreaking work, Okajima sets a formidable example for future inventors in the field.