• All sections
• B - Performing operations; transporting
• B41J - Typewriters; selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; correction of typographical errors
• B41J 2/325 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads by selective transfer of ink from ink carrier, e.g. from ink ribbon or sheet

Patent holdings for IPC class B41J 2/325

Total number of patents in this class: 779

10-year publication summary

Principal owners for this class