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If you would like to contact us, please use

Phone: 042-327-6985

E-mail: Contact email for the Space-Time Standards Laboratory

Director

井戸 哲也
IDO Tetsuya

ido@nict.go.jp

Researchers



Generation of Standard Time and Frequency (in alphabetical order)

松原 健祐
MATSUBARA Kensuke

Group Leader, Japan Standard Time Group
Deputy Director, Space-Time Standards Laboratory

matubara@nict.go.jp

Japan Standard Time
generation and dissemination

有村 智
ARIMURA Satoshi

Research engineer

Kobe substation

江上 裕子
EGAMI Yuko

General Staff

JJY low-frequency station

蜂須 英和
HACHISU Hidekazu

Senior researcher
hachisu@nict.go.jp

Optical lattice clock

今井 翔一
IMAI Shoichi

Temporary staff

Public relations

伊東 宏之
ITO Hiroyuki

Senior researcher
hito@nict.go.jp

Japan Standard Time generation

岩間 司
IWAMA Tsukasa

Temporary staff


NTP, time business,
Japan Standard Time

笠井 克幸
KASAI Katsuyuki

Research engineer
k.kasai@nict.go.jp

Kobe substation

熊谷 基弘
KUMAGAI Motohiro

Project Leader
mkumagai@nict.go.jp

Cesium fountain clocks,
Fiber time and frequency transfer

松芝 卓二
MATSUSHIBA Takuji

Research engineer
tmatsushiba@nict.go.jp

JJY low-frequency station

宮内 結花
MIYAUCHI Yuka

Senior research engineer
ymiyauchi@nict.go.jp

Japan Standard Time generation

森川 真樹
MORIKAWA Masaki

Research engineer
mmorikawa@nict.go.jp

Japan Standard Time generation

ネミッツ ニルス
NEMITZ, Nils

Senior researcher
nils.nemitz@nict.go.jp

Optical frequency combs,
Optical lattice clock

大坪 望
OHTSUBO Nozomi

Senior researcher
ohtsubo@nict.go.jp

Japan Standard Time generation,
Ion optical clock

杉山 明子
SUGIYAMA Akiko

General Staff

Concurrent appointment to RRI Planning office

トゥネス マッズ
TONNES, Mads

Researcher
mads.tonnes@nict.go.jp

Optical lattice clock,
Fiber time and frequency transfer

吉澤 頼明
YOSHIZAWA Yoriaki

Research engineer
yoshizawa@nict.go.jp

Japan Standard Time generation



Space-Time Synchronization - Time Distribution (in alphabetical order)

市川 隆一
ICHIKAWA Ryuichi

Project Leader
richi@nict.go.jp

Frequency calibration,
Optical geodesy

福岡 政大
FUKUOKA Masahiro

Researcher
m-fukuoka@nict.go.jp

Atomic clock chip
Beyond 5G / 6G

原 基揚
HARA Motoaki

Senior researcher
hara.motoaki@nict.go.jp

Atomic clock chip
Beyond 5G / 6G

保米本 徹
HOMEMOTO Toru

Senior research engineer
homemoto.toru@nict.go.jp

NTP

木下 沙織
KINOSHITA Saori

Administrative assitant

Planning office

北 寛登
KITA Hiroto

Research assistant
hkita@nict.go.jp

眞澤 史郎
MAZAWA Shiro

Research engineer
shiro.mazawa@nict.go.jp

International Standardization

中大路 佳奈
NAKAOJI Kana

Temporary staff

野村 英司
NOMURA Eiji

Research engineer
nomura@nict.go.jp

NTP, White Rabit transfer

齊藤 春夫
SAITO Haruo

Temporary staff

Telephone JJY, NTP,
Time business

齊藤 凌輔
SAITO Ryosuke

Research assistant
t251f031@nict.go.jp

志賀 信泰
SHIGA Nobuyasu

Senior researcher
shiga@nict.go.jp

Wi-Wi

山本 恵
YAMAMOTO Megumi

Administrative staff

安田 哲
YASUDA Satoshi

Senior research engineer
sayasuda@nict.go.jp

Wi-Wi



Exploratory Research (in alphabetical order)


関戸 衛
SEKIDO Mamoru

Project Leader
sekido@nict.go.jp

Very large baseline interferometry
Calibration service

藤枝 美穂
FUJIEDA Miho

Researcher
miho@nict.go.jp

Optical fiber link

木原 亜美
KIHARA Ami

Senior researcher
a_kihara@nict.go.jp

Ion optical clock

上月 雄人
KOZUKI Yuuto

Research engineer
y.kozuki@nict.go.jp

Satellite time and frequency transfer

長野 重夫
NAGANO Shigeo

Senior researcher
nagano@nict.go.jp

Terahertz frequency standards

和久井 健太郎
WAKUI Kentaro

Senior researcher
wakui@nict.go.jp

Ion optical clock
High-harmonic generation

Calibration services - Electromagnetic Compatibility Laboratory (in alphabetical order)

小竹 昇
KOTAKE Noboru

Senior researcher
kotake@nict.go.jp

Calibration services
International relations

吉田 秀司
YOSHIDA Shuji

Research engineer
yoshida-s@nict.go.jp

Calibration services

Technical Assistants (in alphabetical order)

小室 純一
KOMURO Junichi

Temporary staff

Technical support

小野 徹二
ONO Tetsuji

Research engineer
ono.tetsuji@nict.go.jp

Technical support

Administrative Officer (in alphabetical order)

塚田 彰子
TSUKADA Akiko

Administrative Officer

Concurrent appointment to RRI Planning office