Akio Doi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
System and method for displaying shadows by dividing surfaces by oc...
- Patent number 5,808,620
- Issue date Sep 15, 1998
- IBM Corporation
- Akio Doi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data visualizer utilizing exterior selected and depth sorted polyhe...
- Patent number 5,742,293
- Issue date Apr 21, 1998
- International Business Machines Corporation
- Koji Koyamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for displaying a three dimensional object
- Patent number 5,537,520
- Issue date Jul 16, 1996
- International Business Machines Corporation
- Akio Doi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Volume rendering method which increases apparent opacity of semitra...
- Patent number 5,499,323
- Issue date Mar 12, 1996
- International Business Machines Corporation
- Akio Doi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for generating images
- Patent number 4,865,423
- Issue date Sep 12, 1989
- International Business Machines Corporation
- Akio Doi
- G06 - COMPUTING CALCULATING COUNTING