PATENT CLAIM ANALYSIS

Application Number: 16157356
Application Type: Utility
Filing Date: 2018-10
Publication Date: 2019-02
Patent Classification: ["347", "040000"]

Abstract:
Provided is a liquid ejection head comprising: an ejection opening row along a first direction; a pressure chamber with print-element; a passage communicating with the pressure chamber; a supply opening row along the first direction with supply openings extending in a second direction to supply liquid to the passage; a collection opening row along the first direction with collection openings extending in the second direction to collect a liquid from the passage; a first common supply passage along the first direction to supply a liquid to the supply opening row; a first common collection passage along the first direction to collect a liquid from the collection opening row; a first supply side communication opening extending in the second direction to supply a liquid to the first common supply passage; and a first collection side communication opening extending in the second direction to collect a liquid from the first common collection passage, wherein at least one of the first supply side communication opening and the first collection side communication opening is provided at a plurality of positions.

Claim (Index 49):
A liquid ejection head comprising:\n a support member; and a print element board comprising:\n an ejection opening row provided on one surface side and having ejection openings for ejecting liquid arranged in a first direction; \n a plurality of pressure chambers provided corresponding to the ejection openings, each of the pressure chambers including an element for generating energy for ejecting liquid; \n a supply opening row extending in a second direction in which liquid is ejected from the ejection openings and having supply openings for supplying liquid to the pressure chambers arranged in the first direction; \n a collection opening row in which collection openings extending in the second direction and configured to collect liquid from the pressure chambers are arranged in the first direction; \n a common supply passage which extends in the first direction and is configured to supply liquid to the supply openings included in the supply opening row; \n a common collection passage which extends in the first direction and is configured to collect liquid from the collection openings included in the collection opening row; \n a supply side communication opening provided on the other surface side opposite to the one surface side for supplying liquid to the common supply passage; \n a collection side communication opening provided on the other surface side for collecting the liquid from the common collection passage, \n wherein the support member supports the print element board, and wherein at least one of the supply side communication opening and the collection side communication opening are provided two or more in number.

Metadata:
- Claim Count in Document: 29.0
- Percentile: 97.0
- Lexical Diversity: 4.15556
- Patent Class: 347.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15383204', '15784475', '15863322', '15389083', '15409973']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7978604277772932
- 35 USC 102 Novelty (BERT): 0.5676504638792275
- Combined Prediction Score: 0.7748394313874867
- Mean Citation Score: 395.290376
- Max Citation Score: 461.37436
- Similarity Product: 435.0491075063324

Labels:
- Claim Label 101: 1
- Claim Label 102: 0
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 0
- Label 101 Adjusted: 1

Dataset: test