Company Filing History:
2 out of 18 
2 out of 2 
1 out of 1,284 Years Active: 1999-2008
Title: Keyhan Sinai: Innovator in Memory Technology
Introduction
Keyhan Sinai is a prominent inventor based in Santa Clara, California, known for his significant contributions to memory technology. With a total of five patents to his name, he has made remarkable advancements in the field of non-volatile memory devices.
Latest Patents
One of his latest patents is focused on low power high density random access memory flash cells and arrays. This innovation utilizes Fowler Nordheim (FN) tunneling for both programming and erasing. The memory array is divided into sectors, with each sector comprising a predetermined number of rows. The bit lines are segmented, allowing for selective connectivity between global and local bit lines. This design ensures that all floating gate cells within a column of a sector are connected in parallel, enhancing efficiency. Additionally, representative programming and erase voltages are disclosed to avoid disturbing other cells.
Another notable patent involves an architecture and method for performing page write/verify in a flash memory device. This semiconductor non-volatile memory device employs Fowler-Nordheim electron tunneling to charge and discharge the isolated gates of storage cells. The device includes circuitry capable of verifying the threshold level of written storage cells and rewriting only those cells whose threshold is outside a desired range. This innovation allows for simultaneous loading of data words and verification of cell contents, optimizing performance.
Career Highlights
Keyhan Sinai has worked with several notable companies in the technology sector, including Nexflash Technologies, Inc. and ISSI/Nexflash Technologies, Inc. His experience in these organizations has contributed to his expertise in memory technology and innovation.
Collaborations
Throughout his career, Keyhan has collaborated with talented individuals such as Paul Jei-Zen Song and Albert M Bergemont. These collaborations have further enriched his work and contributed to the advancements in memory technology.
Conclusion
Keyhan Sinai's contributions to memory technology through his innovative patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence the development of advanced memory solutions.