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TOSOH CORP

TOSOH CORP is a supplier based in JAPAN with 1,683 U.S. import bill-of-lading shipment records between Mar 2021 and Sep 2026. It is the leading supplier of Acyclic polyamines and their derivatives, other (HS 292129) to the U.S. by shipment count. Its top U.S. customers include TOSOH SPECIALTY CHEMICALS USA INC, TOSOH USA INC, and TOSOH BIOSCIENCE INC, primarily ships HS code 292129. Shipments arrive primarily at NORFOLK, VA. Shipment volume has risen over the past 12 months versus the prior year.

Sourced from U.S. Customs bill of lading data · Updated monthly · Data through September 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through September 2026), https://www.importdoor.com/supplier/tosoh-corp

See all 1,683 shipments of TOSOH CORP with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.

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Total shipments
1,683
First seen
Mar 2021
Last seen
Sep 2026
Origin countries
5

Shipments by month (last 24 months)

Oct 2024Sep 2026

Trade flow: products → U.S. importers

What TOSOH CORP ships and to whom — the strongest product-customer relationships in its shipment records. Hover a ribbon for details; click a name to open its profile.

The largest relationship is Acyclic polyamines and their derivatives, other → TOSOH SPECIALTY CHEMICALS USA INC with 323 shipments, followed by Poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI) → TOSOH SPECIALTY CHEMICALS USA INC (212) and Compounds with other nitrogen function, isocyanates → TOSOH SPECIALTY CHEMICALS USA INC (138).

Top U.S. customers

ImporterShipments
TOSOH SPECIALTY CHEMICALS USA INC1,336
TOSOH USA INC108
TOSOH BIOSCIENCE INC20
PANASONIC ENERGY CORP19
TOSHO SPECIALITY CHEMICALS USA INC11
CAPTIVE PLASTICS LLS7
THE ARGEN CORP7
3M SPRINGFIELD SPRINGFIELD SPACE CENTER6
DURACELL MANUFACTURING LLC6
SIALCO MATERIALS DELTA3
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Top products (HS codes)

Product (HS code)Shipments
Acyclic polyamines and their derivatives, other (292129)336
Poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI) (390931)212
Compounds with other nitrogen function, isocyanates (292910)138
390760105
Petroleum resins, coumarone-indene resins, polyterpenes, polysulfides, polysulfones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms, other (391190)79
Polymers of ethylene, in primary forms, other (390190)77
Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg (310510)73
Other organic compounds (294200)59
Mica, including splittings, mica powder (252520)53
Mixing or kneading machines, other (847439)49
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Origin countries

CountryShipments
JAPAN1,132
CHINA528
REPUBLIC OF KOREA14
MALAYSIA8
COLUMBIA1

Ports of unlading

U.S. portShipments
NORFOLK, VA408
LOS ANGELES, CA297
CHARLESTON, SC290
LONG BEACH, CA204
SAVANNAH, GA144
HOUSTON, TX112
TACOMA, WA79
OAKLAND, CA74
NEW YORK/NEWARK AREA, NEWARK, NJ60
SEATTLE, WA7

Other suppliers of Acyclic polyamines and their derivatives, other

Suppliers that also ship Acyclic polyamines and their derivatives, other (HS 292129) to the U.S., ranked by shipment volume.

SupplierShipments
NOURYON FUNCTIONAL CHEMICALS AB144
EVONIK OPERATIONS GMBH44

Frequently asked questions about TOSOH CORP

Who are TOSOH CORP's top U.S. customers?

Based on U.S. Customs bill-of-lading records, TOSOH CORP's top U.S. importers include TOSOH SPECIALTY CHEMICALS USA INC, TOSOH USA INC, TOSOH BIOSCIENCE INC, PANASONIC ENERGY CORP, and TOSHO SPECIALITY CHEMICALS USA INC.

What does TOSOH CORP export?

TOSOH CORP's most frequent shipments fall under HS codes 292129, 390931, and 292910.

Is TOSOH CORP a major supplier of Acyclic polyamines and their derivatives, other?

Yes — based on U.S. Customs bill-of-lading shipment counts, TOSOH CORP is the leading supplier of Acyclic polyamines and their derivatives, other (HS 292129) to the U.S.

Where does TOSOH CORP ship from?

TOSOH CORP ships primarily from JAPAN, CHINA, and REPUBLIC OF KOREA.

How many shipments does TOSOH CORP have?

ImportDoor has 1,683 U.S. import shipment records for TOSOH CORP, spanning Mar 2021 to Sep 2026.

Which U.S. ports does TOSOH CORP ship to?

TOSOH CORP's shipments arrive primarily at NORFOLK, VA and LOS ANGELES, CA.

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