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Dive into the research topics where Koyama Tadashi is active.

Publication


Featured researches published by Koyama Tadashi.


Archive | 2001

A laser processing method for a silver containing glass substrate, and a diffraction grating and a microlens array obtained therefrom

Koyama Tadashi; Tsunetomo Keiji; Oikawa Masahiro; Hamanaka Kenjiro


Archive | 1998

TRANSPARENT SUBSTRATE PROVIDED WITH LIQUID DETECTION FUNCTION

Tanaka Shuhei; Koyama Tadashi; Tsunetomo Keiji; Murakami Harunori; Imanishi Hideki


Archive | 1999

METHOD FOR CORRECTING TEMPERATURE CHARACTERISTIC OF RAIN SENSOR

Koyama Tadashi; Tsunetomo Keiji; Tanaka Shuhei


Archive | 1998

PRODUCTION OF DIFFRACTION TYPE OPTICAL ELEMENT

Tsunetomo Keiji; Koyama Tadashi


Archive | 2002

OPTICAL FIBER ATTACHED WITH LENS FUNCTION AND ITS MANUFACTURING METHOD

Kikko Shigeo; Koyama Tadashi; Kitano Masami


Archive | 1999

GLASS SUBSTRATE LASER PROCESSING METHOD, DIFFRACTION GRATING AND MICROLENS ARRAY OBTAINED THEREFROM

Koyama Tadashi; Tsunetomo Keiji


Archive | 1999

GLASS SUBSTRATE LASER PROCESSING METHOD

Tsunetomo Keiji; Koyama Tadashi; Oikawa Masahiro; Hamanaka Kenjiro


Archive | 1998

LASER PROCESSING METHOD TO GLASS BASE MATERIAL AND DIFFRACTING TYPE OPTICAL ELEMENT OBTAINED BY THIS PROCESSING METHOD

Koyama Tadashi; Tsunetomo Keiji


Archive | 2002

WAVELENGTH MULTIPLEX OPTICAL RECORDING HEAD

Koyama Tadashi; Kikko Shigeo


Archive | 2001

PREFORM GLASS COMPOSITION FOR GRADIENT INDEX LENS

Yoshii Tetsuro; Kikko Shigeo; Koyama Tadashi

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