Kenji Rikuna

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Compact type electronic information card
- Patent number 4,918,631
- Issue date Apr 17, 1990
- Casio Computer Co., Ltd.
- Kazuya Hara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic memory card and method of manufacturing same
- Patent number 4,889,980
- Issue date Dec 26, 1989
- Casio Computer Co., Ltd.
- Kazuya Hara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Technique for authenticating IC card and terminal
- Patent number 4,827,113
- Issue date May 2, 1989
- Casio Computer Co., Ltd.
- Kenji Rikuna
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multi-layered electronic card carrying integrated circuit pellet an...
- Patent number 4,795,895
- Issue date Jan 3, 1989
- Casio Computer Co., Ltd.
- Kazuya Hara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card system employing remote pin entry card
- Patent number 4,752,678
- Issue date Jun 21, 1988
- Casio Computer Co., Ltd.
- Kenji Rikuna
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Intelligent card
- Patent number 4,749,982
- Issue date Jun 7, 1988
- Casio Computer Co., Ltd.
- Kenji Rikuna
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card
- Patent number 4,727,246
- Issue date Feb 23, 1988
- Casio Computer Co., Ltd.
- Kazuya Hara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic memory card
- Patent number 4,719,140
- Issue date Jan 12, 1988
- Casio Computer Co., Ltd.
- Kazuya Hara
- G06 - COMPUTING CALCULATING COUNTING

Kenji Rikuna

Person

Patents Grantslast 30 patents

Compact type electronic information card

Electronic memory card and method of manufacturing same

Technique for authenticating IC card and terminal

Multi-layered electronic card carrying integrated circuit pellet an...

IC card system employing remote pin entry card

Intelligent card

IC card

Electronic memory card