Grigory Kogan

NS National Semiconductor: 2 patents #2 of 89Top 3%

📍 Portland, OR: #13 of 229 inventorsTop 6%

🗺 Oregon: #46 of 893 inventorsTop 6%

Overall (1989): #26,919 of 140,708Top 20%

Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4809051	Vertical punch-through cell	—	1989-02-28
4805152	Refresh cell for a random access memory	—	1989-02-14