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Naomitsu Umemura

Asahi Glass Co.

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Publication

Featured researches published by Naomitsu Umemura.

Archive | 2004

Diffraction element and optical head device

Koichi Murata; Naomitsu Umemura

Archive | 2000

Phase shifter and optical head device mounted with the same

Takehiko Nishiyama; Naomitsu Umemura; Hiromasa Sato; Masahiro Murakawa; Yoshiharu Ooi; Yuzuru Tanabe

Archive | 2003

Retarder and optical head device installing the same

Takehiko Nishiyama; Naomitsu Umemura; Hiromasa Sato; Masahiro Murakawa; Yoshiharu Ooi; Yuzuru Tanabe

Archive | 1990

Ultrasonic delay line device with an adjusting circuit for adjusting delay time, a comb-shaped filter using the ultrasonic delay line device and a method of adjusting delay time

Etsuji Kimura; Naomitsu Umemura; Masahiko Maeda

Archive | 2004

Beugungselement und optische kopfeinrichtung

Koichi Murata; Naomitsu Umemura

Archive | 2000

An optical head with broadband retarder

Masahiro Koriyama Murakawa; Takehiko Koriyama Nishiyama; Yoshiharu Koriyama Ooi; Hiromasa Koriyama Sato; Yuzuru Tanabe; Naomitsu Umemura

Archive | 2000

Optischer Kopf mit breitbandigem Retarder Optical head with broadband retarder

Masahiro Koriyama Murakawa; Takehiko Koriyama Nishiyama; Yoshiharu Koriyama Ooi; Hiromasa Koriyama Sato; Yuzuru Tanabe; Naomitsu Umemura

Archive | 2000

Phasenverschieber und damit ausgestatteter Optik-Kopf Phase shifter and thus equipped optical head

Masahiro Murakawa; Takehiko Nishiyama; Yoshiharu Ooi; Hiromasa Sato; Yuzuru Tanabe; Naomitsu Umemura

Archive | 2000

Phasenverschieber und damit ausgestatteter Optik-Kopf

Masahiro Murakawa; Takehiko Nishiyama; Yoshiharu Ooi; Hiromasa Sato; Yuzuru Tanabe; Naomitsu Umemura

Archive | 2000

Phasenverschieber und dmit ausgestatter optik-kopf Phase shifter and dmit be Rapporteur Optic-head

Takehiko Nishiyama; Naomitsu Umemura; Hiromasa Sato; Masahiro Murakawa; Yoshiharu Ooi; Yuzuru Tanabe

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Collaboration

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Yuzuru Tanabe

Asahi Glass Co.

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Hiromasa Sato

Asahi Glass Co.

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Masahiro Murakawa

Asahi Glass Co.

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Takehiko Nishiyama

Asahi Glass Co.

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Yoshiharu Ooi

Asahi Glass Co.

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Koichi Murata

Asahi Glass Co.

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Etsuji Kimura

Asahi Glass Co.

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Masahiko Maeda

Asahi Glass Co.

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