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Patent applications and USPTO patent grants for Gotou; Yuuzi.The latest application filed is for "multifocal ocular lens".
Patent | Date |
---|---|
Multifocal ocular lens Grant 6,260,966 - Sawano , et al. July 17, 2 | 2001-07-17 |
Prism ballast type contact lens, method of producing the same, and mold assembly used in producing the lens Grant 6,158,861 - Oyama , et al. December 12, 2 | 2000-12-12 |
Toric multifocal lens having different astigmatism corrective optical powers in respective vision correction regions, and method of producing the same Grant 6,142,625 - Sawano , et al. November 7, 2 | 2000-11-07 |
Multifocal ocular lens having intermediate region with continuously varying optical power Grant 6,030,077 - Sawano , et al. February 29, 2 | 2000-02-29 |
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