Chikai Ono

Title: Chikai Ono: Innovator in Memory Device Technology

Introduction

Chikai Ono is a prominent inventor based in Kawasaki, Japan, known for his significant contributions to memory device technology. With a total of 13 patents to his name, Ono has made remarkable advancements in the field of memory devices, particularly focusing on redundancy structures.

Latest Patents

Ono's latest patents include innovative designs for memory devices that incorporate redundant cells. One of his notable inventions is a memory device having redundant cells, which features a redundant file memory for recording first replacement information. This information includes the address of a defective cell that is to be replaced with a redundant cell. The design allows for simultaneous access to both the ordinary memory cell and the redundant file memory. Additionally, the second replacement information indicates whether the ordinary cell corresponds to a defective one. This dual access capability enhances the efficiency of memory operations.

Another significant patent by Ono is a memory device having redundancy cells, which simplifies the redundancy structure in memory devices such as FeRAM. This invention also utilizes a redundancy file memory to record replacing information for defective cells. The structure allows for concurrent reading of the replacing information when accessing the normal memory cell, ensuring that defective cells are efficiently replaced with redundancy cells.

Career Highlights

Throughout his career, Chikai Ono has worked with notable companies, including Fujitsu Corporation and Nippon Telegraph and Telephone Public Corporation. His experience in these organizations has contributed to his expertise in memory technology and innovation.

Collaborations

Ono has collaborated with esteemed colleagues such as Kazuhiro Toyoda and Masao Suzuki, further enhancing his contributions to the field of memory devices.

Conclusion

Chikai Ono's innovative work in memory device technology, particularly in redundancy structures, has established him as a key figure in the industry. His patents reflect a commitment to improving memory efficiency and reliability, making significant strides in the field.