Akira Kitani | Researchain

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Archive | 1998

Progressive power multifocal lens

Akira Kitani

Archive | 2005

Bi-aspherical type progressive-power lens

Akira Kitani; Yoshihiro Kikuchi

Archive | 1981

Progressive multi-focal lenses

Akira Kitani

Archive | 2002

Both-side aspherical progressive refractive power lens

Yoshihiro Kikuchi; Akira Kitani; 明木谷; 吉洋菊池

Archive | 2003

Double-sided aspheric varifocal power lens

Akira Kitani; Yoshihiro Kikuchi

Archive | 2000

Progressive refractive power glasses lens and design method therefor

Akira Kitani

Archive | 2000

Progressive-power lens and design process for same

Akira Kitani

Archive | 2008

Pair of progressive refractive power lens and method for designing same

Akira Kitani; Takashi Hatanaka; Yoshihiro Kikuchi; Hua Qi

Archive | 2006

Method of designing both-plane aspherical progressive refractive power lens group and both-plane aspherical progressive refractive power lens group

Akira Kitani; Takashi Hatanaka; Yoshihiro Kikuchi

Archive | 2004

Bi-aspherical type progressive-power lens and method of designing the same

Akira Kitani; Yoshihiro Kikuchi; Takashi Hatanaka

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