Product Information Server for Differentiating Similar Sales Records

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Solution Overview

Problem

Sellers face difficulty in distinguishing between multiple pieces of sales information for an item that are the same in basic content but differ only in some portions, making it hard to quickly select the desired item from a list.

Innovation Solution

A product information management server that extracts outline information from a database, identifies differentiating portions between similar items, and presents a list with additional difference information to facilitate easy distinction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If multiple pieces of sales information with the same basic content are prepared for different selling periods, then switching between sales information becomes quick and easy, but it becomes difficult to distinguish between these pieces in a list

Engineering Contradiction:
Improveswitching speedVSAvoiddistinguishability
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The patent extracts and displays only the differing portions between multiple sales information records that share the same basic content. By taking out and highlighting the specific differences (such as selling period, price, or stock quantity variations), the system enables quick visual distinction between similar records without requiring users to examine entire duplicate entries, thus resolving the contradiction between fast switching and easy distinguishability

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent applies local quality by making specific portions of the sales information records visually distinct while keeping the basic content uniform. By applying different visual indicators or highlighting only the varying fields (local portions) rather than the entire record, the system maintains consistency in basic content while enabling easy visual differentiation, solving the contradiction between maintaining uniform basic content and enabling quick distinction

Inventive Principle:
Principle #3Local quality

2Loss of information

If multiple pieces of sales information are displayed in a list, then comprehensive information is available, but items with the same basic content become hard to differentiate

Engineering Contradiction:
Improveinformation completenessVSAvoiddetection difficulty
Core Design Contradiction:
Loss of informationVSDifficulty of detecting and measuring

Solution Approach 1:

The patent extracts and prominently displays the specific differing portions between multiple sales information records in the list view. By taking out only the relevant difference information (such as varying prices, quantities, or time periods) and presenting it alongside the basic content, the system maintains complete information while making differentiation easy, thus resolving the contradiction between information completeness and detection difficulty

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent adds a new dimension to the list display by incorporating visual indicators or additional display fields that show differences between records. This dimensional enhancement allows users to perceive differences between records with the same basic content through an additional visual dimension, maintaining full information while solving the detection difficulty through enhanced presentation

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS20250217764A1Product information management server, product information management method, and recording medium
Publication Date: 2025.07.03 RAKUTEN GROUP INC
  • US20250217764A1 patent drawing
  • US20250217764A1 patent drawing
  • US20250217764A1 patent drawing

AI summary

Product information management server connectable via network to one or more terminals, having: an extractor that extracts, from a product information registration database in which detailed information containing outline information of an item are registered, pieces of the outline information; a specifier that, when a first piece of the outline information in a first piece of the detailed information corresponding to a first item matches a second piece of outline information in a second piece of detailed information corresponding to a second item, specifies a different portion that differentiates the first piece of detailed information and the second piece of detailed information; and a list presenter that outputs, to at least one terminal, second difference information together with a list of the extracted pieces of outline information, the second difference information being information of the different portion in the second piece of detailed information.