PATENT CLAIM ANALYSIS

Application Number: 15878863
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-08
Patent Classification: ["257", "140000"]

Abstract:
A semiconductor device includes a semiconductor layer of a first conductivity type having a first principal surface on one side and a second principal surface on the other side, the semiconductor layer in which a device formation region and an outer region outside the device formation region are set, a channel region of a second conductivity type formed in a surface layer portion of the first principal surface of the semiconductor layer in the device formation region, an emitter region of a first conductivity type formed in a surface layer portion of the channel region, a gate electrode formed at the first principal surface of the semiconductor layer in the device formation region, the gate electrode facing the channel region across a gate insulating film, a collector region of a second conductivity type formed in a surface layer portion of the second principal surface of the semiconductor layer in the device formation region, an inner cathode region of a first conductivity type formed in the surface layer portion of the second principal surface of the semiconductor layer in the device formation region, and an outer cathode region of a first conductivity type formed in the surface layer portion of the second principal surface of the semiconductor layer in the outer region.

Claim (Index 13):
The semiconductor device according to  claim 1 , wherein the outer cathode region includes a first pattern extending along a periphery of the device formation region, and a second pattern whose portions are spaced from each other along the periphery of the device formation region.

Metadata:
- Claim Count in Document: 11.0
- Percentile: 86.0
- Lexical Diversity: 4.88889
- Patent Class: 257.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15640825', '13205845', '11073762', '15706403', '15808146']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9292585109248984
- 35 USC 102 Novelty (BERT): 0.5126478606581795
- Combined Prediction Score: 0.8875974458982266
- Mean Citation Score: 263.57640000000004
- Max Citation Score: 315.44003
- Similarity Product: 275.6919768461251

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test