Yutaka Usuda

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic board system and coordinates-inputting pen
- Patent number 6,700,129
- Issue date Mar 2, 2004
- Hitachi Software Engineering Co., Ltd.
- Yutaka Usuda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Coordinate input pen, and electronic board, coordinate input system...
- Patent number 6,437,314
- Issue date Aug 20, 2002
- Hitachi Software Engineering Co., Ltd.
- Yutaka Usuda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Automated recognition of and distinction among graphics input, text...
- Patent number 5,913,221
- Issue date Jun 15, 1999
- Hitachi Software Engineering Co., Ltd.
- Shigeru Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for diagram recognition by using recognizing rules and syste...
- Patent number 5,867,596
- Issue date Feb 2, 1999
- Hitachi Software Engineering Co., Ltd.
- Shigeru Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for abstracting/detailing structuring elements of system spe...
- Patent number 5,469,539
- Issue date Nov 21, 1995
- Hitachi Software Engineering Co., Ltd.
- Yutaka Usuda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic board system
- Patent number 5,455,906
- Issue date Oct 3, 1995
- Hitachi Software Engineering Co., Ltd.
- Yutaka Usuda
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
INTERACTIVE DISPLAY DEVICE
- Publication number 20130257811
- Publication date Oct 3, 2013
- HITACHI SOLUTIONS, LTD.
- Yutaka Usuda
- G06 - COMPUTING CALCULATING COUNTING