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Dive into the research topics where Takahiko Hirai is active.

Publication


Featured researches published by Takahiko Hirai.


Archive | 2010

INFRARED GAS DETECTOR AND INFRARED GAS MEASURING DEVICE

Takayuki Nishikawa; Yoshifumi Watabe; Yuichi Inaba; Takahiko Hirai; Hiroaki Kitamura


Archive | 2010

Infrared flame detector

Takayuki Nishikawa; Yoshifumi Watabe; Yuichi Inaba; Takahiko Hirai


Archive | 2010

INFRARED OPTICAL FILTER AND MANUFACTURING METHOD OF THE INFRARED OPTICAL FILTER

Takahiko Hirai; Hiroaki Kitamura; Yuichi Inaba; Yoshifumi Watabe; Takayuki Nishikawa; Takahiro Sono


Archive | 2010

INFRARED FRAME DETECTOR

Takayuki Nishikawa; Yoshifumi Watabe; Yuichi Inaba; Takahiko Hirai


Archive | 2014

INFRARED DETECTION ELEMENT, INFRARED DETECTOR, AND INFRARED TYPE GAS SENSOR

Yoshifumi Watabe; Sadayuki Sumi; Yuichi Inaba; Junichi Hozumi; Takahiko Hirai; Tsuyoshi Kuroda


Archive | 2009

Infrared optical filter and method for manufacturing the same

Takahiko Hirai; Yuichi Inaba; Keimei Kitamura; Naoyuki Nishikawa; Takahiro Sono; Yoshifumi Watabe; 啓明 北村; 孝浩 園; 孝彦 平井; 祥文 渡部; 雄一 稲葉; 尚之 西川


Archive | 2013

OPTICAL SENSOR APPARATUS AND METHOD OF PRODUCING OPTICAL ELEMENT USED IN OPTICAL SENSOR APPARATUS

Takahiko Hirai; Kazuki Yamaguchi


Archive | 2016

***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***Infrared detection element, infrared detector, and infrared type gas sensor

Yoshifumi Watabe; Sadayuki Sumi; Yuichi Inaba; Junichi Hozumi; Takahiko Hirai; Tsuyoshi Kuroda


Archive | 2013

Optical sensor apparatus, and method for manufacturing optical element to be used in optical sensor apparatus

Takahiko Hirai; Kazuki Yamaguchi


Archive | 2010

Filtre optique infrarouge et son procédé de production

Takahiko Hirai; Hiroaki Kitamura; Yuichi Inaba; Yoshifumi Watabe; Takayuki Nishikawa; Takahiro Sono

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