YI

Yasuo Iijima

KT Kabushiki Kaisha Toshiba: 6 patents #8 of 1,641Top 1%
📍 Tsukuba, JP: #2 of 168 inventorsTop 2%
Overall (1994): #1,430 of 165,921Top 1%
6
Patents 1994

Issued Patents 1994

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5369760 Data processing system 1994-11-29
5365045 Portable electric device 1994-11-15
5349649 Portable electronic device supporting multi-protocols 1994-09-20
5339400 Portable electronic device capable of selectively providing unused area size of whole memory or memory segments to external device 1994-08-16
5293029 System for mutually certifying an IC card and an IC card terminal 1994-03-08
5288978 Mutual authentication system and method which checks the authenticity of a device before transmitting authentication data to the device 1994-02-22