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Dive into the research topics where Hiroshi Koshi is active.

Publication


Featured researches published by Hiroshi Koshi.


Optical Review | 1996

An Artificial Compound Eye Using a Microlens Array and Its Application to Scale-Invariant Processing

Kenjiro Hamanaka; Hiroshi Koshi


Archive | 2001

Light source-optical fiber coupler

Hiroshi Koshi; Yasuji Sasaki


Archive | 1999

Object lens system

Shigeo Kittaka; Koji Sagamihara-shi Kakimoto; Hiroshi Koshi


Archive | 2001

Refractive index distribution lens, production method thereof, and lens array

Masatake Ishikawa; Hiroshi Koshi; Kazuya Ookawa; Satoshi Taniguchi


Archive | 1994

OPTICAL TWO-DIMENSIONAL IMAGE TRANSMITTING DEVICE

Hiroshi Koshi; Minoru Toyama; 浩志 越; 實 遠山


Archive | 1991

Method of performing an ion exchange of optical glass

Shigeo Kittaka; Hiroshi Koshi; Yoshikazu Kaite; Minoru Toyama; Noboru Akazawa


Archive | 2001

Refractive index distribution lens, method for manufacturing refractive index distribution lens, and lens array

Masatake Ishikawa; Hiroshi Koshi; Kazuya Ookawa; Satoshi Taniguchi


Archive | 2001

Gradient index rod lens, method for manufacturing gradient index rod lens, and lens array

Masatake Ishikawa; Hiroshi Koshi; Kazuya Ookawa; Satoshi Taniguchi


Archive | 2002

Lens with distributed refractivity and its processing process and lens combination for making the same

Masatake Ishikawa; Hiroshi Koshi; Kazuya Okawa


Archive | 1999

Lens system having a radial gradient index

Koji Sagamihara-shi Kakimoto; Shigeo Kittaka; Hiroshi Koshi

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