• All sections
• H - Electricity
• H01L - Semiconductor devices not covered by class
• H01L 21/329 - Multistep processes for the manufacture of devices of the bipolar type, e.g. diodes, transistors, thyristors the devices comprising one or two electrodes, e.g. diodes

Patent holdings for IPC class H01L 21/329

Total number of patents in this class: 621

10-year publication summary

Principal owners for this class