Iwatani Corporation

https://www.iwatani.co.jp/eng/

STR Japan K.K.

https://www.str-soft.co.jp/

OS TECH Co.,Ltd,

https://www.ostech.co.jp/en/

Osaka Asahi Co., Ltd.

https://www.osaka-asahi.com/

OXIDE Corporation

https://www.opt-oxide.com/en/

Crystal Systems Corporation

https://www.crystalsys.co.jp/english/index_e.html

GlobalWafers Japan Co., Ltd.

https://www.sas-globalwafers.co.jp/eng/

KOIKE CO.,LTD.

https://www.koike-corp.co.jp/en/

Kogakugiken Corp.

http://www.kogakugiken.com/

C&A Corporation

https://www.c-and-a.jp/

JX Advanced Metals Corporation

https://www.jx-nmm.com/english/

JFE Mineral & Alloy Company,Ltd.

https://www.jfe-mineral.co.jp/e_mineral/

SHINKOSHA CO., LTD.

https://www.shinkosha.com/english/

Sumitomo Metal Mining Co., Ltd.

https://www.smm.co.jp/en/

Sumitomo Electric Industries, Ltd.

https://sumitomoelectric.com/

SUMCO CORPORATION

https://www.sumcosi.com/english/

Dai-ichi Kiden Co.,Ltd.

https://www.d-kdn.co.jp/eng/

DAISHINKU CORP.

https://www.kds.info/

TAIYO YUDEN CO., LTD.

https://www.yuden.co.jp/en/

TSUBAKIMOTO KOGYO CO., LTD.

https://www.tsubaki.co.jp/en/

TECHNO SEARCH CORP.

http://techno-search.co.jp/techno-search-corp/

Toyoda Gosei Co., Ltd.

https://www.toyoda-gosei.com/

TOYOTA CENTRAL R&D LABS., INC.

https://www.tytlabs.co.jp/en/

NIKON CORPORATION

https://www.nikon.com/

NICHIA CORPORATION

https://www.nichia.co.jp/en/

NISSIN GIKEN Corporation

https://www.nissin-giken.co.jp/

NIPPON STEEL CORPORATION

https://www.nipponsteel.com/en/

NGK INSULATORS, LTD.

https://www.ngk-global.com/?_gl=1

Quantum Design Japan, Inc.

https://www.qd-japan.com/

NIHON DEMPA KOGYO CO., LTD.

https://www.ndk.com/en/

Pulstec Industrial Co., Ltd.

https://www.pulstec.co.jp/en/

FINE CRYSTAL Co., Ltd.

https://www.finecrystal.co.jp/en/

Futek Furnace Inc.

https://www.futekfurnace.com/

FURUYA METAL. Co., Ltd.

https://www.furuyametals.co.jp/english/

Mipox Corporation

https://www.mipox.co.jp/en/

Miyama, Inc.

https://www.miyama.net/

YAMAJU CERAMICS CO.,LTD.

http://www.yamajuceramics.co.jp/english/

Rigaku Corporation

https://www.rigaku.com/en