TOSOH CORP
TOSOH CORP is a supplier based in JAPAN with 1,352 U.S. import bill-of-lading shipment records between Mar 2021 and Jun 2026. It ranks #2 among suppliers 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 PANASONIC ENERGY CORP, primarily ships HS code 292129. Shipments arrive primarily at NORFOLK, VA. Shipment volume has declined over the past 12 months versus the prior year.
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through May 2026
Shipments over time (last 24 months)
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 222 shipments, followed by Poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI) → TOSOH SPECIALTY CHEMICALS USA INC (158) and Compounds with other nitrogen function, isocyanates → TOSOH SPECIALTY CHEMICALS USA INC (130).
Top U.S. customers
| Importer | Shipments |
|---|---|
| TOSOH SPECIALTY CHEMICALS USA INC | 1,101 |
| TOSOH USA INC | 108 |
| PANASONIC ENERGY CORP | 16 |
| TOSOH BIOSCIENCE INC | 14 |
| TOSHO SPECIALITY CHEMICALS USA INC | 11 |
Top products (HS codes)
Unlock TOSOH CORP’s full product & HS-code breakdownOrigin countries
| Country | Shipments |
|---|---|
| JAPAN | 1,000 |
| CHINA | 333 |
| REPUBLIC OF KOREA | 14 |
| MALAYSIA | 4 |
| COLUMBIA | 1 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| NORFOLK, VA | 345 |
| CHARLESTON, SC | 240 |
| LOS ANGELES, CA | 229 |
| LONG BEACH, CA | 134 |
| SAVANNAH, GA | 112 |
| HOUSTON, TX | 85 |
| TACOMA, WA | 76 |
| OAKLAND, CA | 69 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 49 |
| SEATTLE, WA | 7 |
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, PANASONIC ENERGY CORP, TOSOH BIOSCIENCE INC, 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 #2 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 1,352 U.S. import shipment records for TOSOH CORP, spanning Mar 2021 to Jun 2026.
Which U.S. ports does TOSOH CORP ship to?
TOSOH CORP's shipments arrive primarily at NORFOLK, VA and CHARLESTON, SC.
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