Tohru Asakura

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Patents Grantslast 30 patents

Information Patent Grant
Card-type electronic device with plastic frame sandwiched between p...
- Patent number 5,995,372
- Issue date Nov 30, 1999
- Seiko Epson Corporation
- Tohru Asakura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Card-type electronic device with plastic frame sandwiched between p...
- Patent number 5,784,259
- Issue date Jul 21, 1998
- Seiko Epson Corporation
- Tohru Asakura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Card-type electronic device with plastic frame sandwiched between p...
- Patent number 5,742,479
- Issue date Apr 21, 1998
- Seiko Epson Corporation
- Tohru Asakura
- G06 - COMPUTING CALCULATING COUNTING