YI

Yasuo Iijima

KT Kabushiki Kaisha Toshiba: 4 patents #39 of 1,730Top 3%
Sumitomo Electric Industries: 1 patents #603 of 2,038Top 30%
📍 Tsukuba, JP: #3 of 238 inventorsTop 2%
Overall (1997): #3,078 of 185,788Top 2%
5
Patents 1997

Issued Patents 1997

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5678029 Memory card available for various formats 1997-10-14
5644750 Data storage apparatus having memory area with a predetermined logic type 1997-07-01
5615381 Security for a data processing system having multiple distinct program instruction sections 1997-03-25
5608902 File management system for memory card 1997-03-04
5594348 Surge testing method in decompressed atmosphere for a small-size electric machine and apparatus thereof Masahiro Tsubokawa 1997-01-14