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IPC Main Group
B32B 38/00

Ancillary operations in connection with laminating processes

Introduced: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
LAYERED PRODUCTS
Subclass:
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM

Filing statistics

IPC B32B 38/00 belongs to the parent subclass B32B, which recorded 496,494 patent applications worldwide between 2013 and 2023. Annual filings grew from 37,194 in 2013 to 37,603 in 2023 (+1%), peaking at 55,086 applications in 2020. The most active applicants in class B32 are NITTO DENKO CORPORATION (4,719 applications), DNP (DAINIPPON PRINTING COMPANY) (3,989 applications) and SAINT-GOBAIN GLASS (3,695 applications).

Source: EPO PATSTAT, worldwide filings

8 direct subcodes

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class B32, 2013–2023, worldwide · Source: EPO PATSTAT

  1. NITTO DENKO CORPORATION JP 4,719
  2. DNP (DAINIPPON PRINTING COMPANY) 3,989
  3. SAINT-GOBAIN GLASS FR 3,695
  4. NITTO DENKO CORPORATION 3,002
  5. DOW GLOBAL TECHNOLOGIES US 2,809
  6. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 2,679
  7. FUJIFILM JP 2,360
  8. TOPPAN PRINTING COMPANY 2,310
  9. CORNING US 2,168
  10. SEKISUI CHEMICAL COMPANY JP 2,115