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Hirotoshi Ichikawa Patents |
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Inventor: Ichikawa; Hirotoshi
Address: Hachioji, JP
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6744573 |
Optical element |
June 1, 2004 |
| Element fixing mounting portions are formed in the shape of bridge beams on both the side surfaces or the like of the first optical surface, which is disposed in confrontation with an image display element, of a Free-Form-Surface prism 61 acting as an optical element, the side surfaces |
| 6680802 |
Head-mounted image video display |
January 20, 2004 |
| A one-eye viewing type head-mounted image display device (1) that is compact and comfortably wearable consists mainly of a viewer (2) and an elastic member (38). The viewer includes an LCD (13), a main prism (32), a see-through prism (33), a frame (10), and a microphone (18). The main |
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