Graviton's O to E converter makes easy optoelectronic instrumentation in cost effective way. Just attach the converter onto the input terminal of your electronic instrument then you can observe optical power waveforms.
Research and development of general electronic equipment products and optoelectronic products, product design, manufacturing and sales, and all business related to them.
|Topics （* : Product information）|
|Apr_2021||---||* New product release: SPD-2_520nm For RGB & High Speed POF:φ1mm (Max.core:φ1.0mm and Max.NA:0.25)|
|* New product information: PRM_NIM1
~~ The English version will be released soon. ~~
|May_2020||---||* New product release: DLP-2 Dual input wideband differential O/E medical OCT 1Ghz|
|Apr_2019||---||Relocation of registered address to current 1-9-12 Takakura, Iruma City. Business address remains unchanged.
|Feb_2017||---||* New product release: LDS-670 High-speed AFM, high-frequency superimposing level adjustable light source|
|Dec_2016||26 million||Capital increase|
|Sep_2016||---||* New product release: DLP-1 Specification change for BPD-1 for US market for domestic sale|
|Dec_2014||---||* New product release: BPD-1 dual input wideband differential O/E medical OCT for USA|
* New product release: Wideband analog optical link MWL series (Japanese documents) Certificate of appreciation from KEK (High Energy Accelerator Research Organization) and J-PARC Center (High Intensity Proton Accelerator Facility)
~~ The English version will be released soon. ~~
|The achievement of our ultra low jitter digital optical link product was recognized, JAEA (Japan Atomic Energy Agency)|
Organization changed to a company without a board of directors, corporate auditors abolished,
and the term of office of directors changed from 2 years to 5 years.
|Mar_2007||---||* New product release: LL1300GI (modulation E/O, long wavelength LD installed)|
|* New product release: VL850GI (modulation possible E/O, VCSEL installed)
* New product release: LL400GI (modulation possible E/O, blue LD mounted)
|Jan_2006||---||* New product release: SPA-4 (SPD-3 bandwidth increased + new design optical system NA 0.5 compatible)|
|Oct_2005||---||* New product release: SPD-3 (SPD-1 bandwidth UP + own designed optical system)|
|Dec_2003||20.5 million||Capital increase|
|Dec_2002||19.5 million||Capital increase|
|Mar_2002||---||* New product release: LPD-1 (SPD-1 to long-wavelength version O/E)|
|Dec_2001||19.25 million||Capital increase|
|Dec_2000||19 million||Capital increase|
|Jun_1999||---||* New product release: SPD-1 (designed in-house, with Wideband TIA, short wavelength O/E)|
|Moved the business office (research facility and manufacturing department) to
15-5 Kawaramachi, Iruma City. Registered address remains the same.
|* Started selling our own products
E/O converter (laser light source capable of light intensity modulation with electric signal): LL780GI
O/E converter (optical signal to electoronic signals conversion from DC up to GHz): PD780GI
|Dec_1994||18 million||Capital increase|
|Dec_1993||12 million||Capital increase|
|Nov_1992||10 million||Established Graviton Co., Ltd. in Takakura, Iruma City, Saitama JAPAN|
Development, research, administration, public interest foundation, etc.
University, other educational facility related
Kyushu Institute of Technology Graduate School
Hiroshima Institute of Technology
Saga University Graduate School
Osaka University Graduate School
University of Electro-Communications
Tokyo Institute of Technology
Tokyo University of Agriculture and Technology
Toyohashi University of Technology
Nagoya University Graduate School
Nagoya Institute of Technology
Nara Institute of Science and Technology
Automobile manufacturing/automobile related companies, semiconductor/industrial equipment related trading companies, audio equipment manufacturing companies, high-speed communication equipment, various electronic device manufacturing companies, etc.
（Company name is private.）
(Australia) Australian National University
(Belgium) Sony Depthsensing Solutions SA
(Belgium) Skylane Optics S.A.
(Belgium) Melexis Microelectronic Systems
(France) INSA de Rennes
(Germany) Technische Universität Braunschweig
(Germany) Technische Hochschule G.S.O POF-AC.
(Germany) ExperBuy Deutschland GmbH
(Germany) Avago Technologies GmbH
(Germany) Teledyne LeCroy GmbH
(Germany) Harz University of Applied Sciences
(Germany) Technische Hochschule Nürnberg
(Germany) SMSC Europe GmbH
(Germany) GSO University of Applied Sciences
(Germany) RWTH Aachen University
(ISRAEL) Levanon & Kogan Ltd.
(Italy) I.S.M.B. Ist. Sup. M.Boella
(Kingdom of Spain) KDPOF
(Kingdom of Spain) University of Zaragoza
(Kingdom of Spain) University Carlos III
(Korea) Meerecompany Inc.
(Korea) Hanyo Co.,LTD
(Netherlands) Philips Medical Systems
(Netherlands) Leppink Automatisering & Computers
(Netherlands) Technische Universiteit Eindhoven
(Switzerland) Eidgenössische Technische Hochschule Zürich
(Taiwan) National Synchrotron Radiation Research Center
(Taiwan) National Tsing Hua University
(Taiwan) Nanotech Semiconductor Ltd.
(United Kingdom) Hilight Semiconductor Ltd
(United Kingdom) Foremost Integrated Circuits Ltd
(United Kingdom) British Telecomunications PLC
(FL U.S.A.) Stephen Gould Corporation
(FL U.S.A.) Philips Healthcare
(NC U.S.A.) Duke University Health System, Inc.
(NC U.S.A.) Duke University Medical Center
(CO U.S.A.) Insight Photonic Solutions, Inc.
(CA U.S.A.) Lawrence Livermore National Laboratory
(CA U.S.A.) Sony Electronics Inc. Image Sensor Design Center
(NY U.S.A.) Sony Electronics Inc.