This inventor holds 1 USPTO granted patent. Top assignee: Sanyo Electric Co., Ltd.. Active years: 1999.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1999
Title: Yukihiro Ohya and Long-Life Non-Volatile Memory
Introduction
Yukihiro Ohya is an inventor associated with Saitama, Japan, and Sanyo Electric Co., Ltd. His recorded patent work concerns improving the durability of non-volatile semiconductor memory.
Latest Patents
Ohya is credited with 1 patent: “Non-volatile semiconductor memory device having long-life memory cells.” The invention describes a split-gate memory cell with floating-gate and control-gate electrodes, alongside a control unit that tracks data rewrites. Once rewrites exceed a predetermined threshold, the unit adjusts the control-gate voltage to increase Fowler–Nordheim tunnel current and remove charge from the floating gate. This approach is intended to extend the memory device’s service life.
Career Highlights
Ohya’s listed patent reflects work on semiconductor memory reliability and the management of charge in floating-gate cells. The patent identifies Sanyo Electric Co., Ltd. as his company affiliation.
Collaborations
Takayuki Kaida is identified as Ohya’s coworker.
Conclusion
Yukihiro Ohya’s recorded invention focuses on extending the life of non-volatile semiconductor memory through controlled charge removal during repeated data rewriting.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile