Progressive power lens and progressive power lens design method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 8, 2013
Grant Date -
May 10, 2012
app pub date -
Nov 7, 2011
filing date -
Nov 8, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A progressive power lens including a distance portion for visual recognition of a far working distance, a near portion for visual recognition of a near working distance, and an intermediate portion provided between the distance portion and the near portion, the intermediate portion including a position of an amount of intermediate inset in which a visual line when the intermediate working distance is visually recognized passes an eyeball side surface of the progressive power lens, and addition at intermediate position for viewing an intermediate working distance smaller than the far working distance and larger than the near working distance being set to the position of the amount of intermediate inset.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2011 Application Filing Year
- G02C Class
- 376 Applications Filed
- 292 Patents Issued To-Date
- 77.66 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 8, 2025 |
