Stefan Dipper

This inventor holds 21 USPTO granted patents and 3 published patent applications, primarily in Data Query Optimization. Top assignees: Sap Ag, Sap Se. Active years: 2008-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stefan Dipper. Retrieved from https://idiyas.com/inventor/stefan-dipper

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 21 (Patent Applications = 3)

% Patents Active = 95.2

Average Co-Inventor Count = 3.3

ph-index = 6

Forward Citations = 158(Granted Patents)

Location History:

Walldorf, DE (2016)
Wiesloch, DE (2008 - 2020)

Company Filing History:

Years Active: 2008-2020

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Areas of Expertise:

Data Query Optimization

OLAP Execution Models

Relational Databases

Concurrent Changes

Query Runtime Estimation

Data Structures

Filter Injection

Transaction Sequencing

Cost Estimation

Hierarchical Filters

Group-By Characteristics

Multipart Queries

21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10664479 - Accommodating concurrent changes in underlying data during reporting (2020-05-26),

2. 10489394 - Database query calculation using an operator that explicitly removes group-by characteristics (2019-11-26),

3. 10303726 - Decoupling filter injection and evaluation by forced pushdown of filter attributes in calculation models (2019-05-28),

4. 9965512 - Operators for constants in aggregated formulas (2018-05-08),

5. 9922087 - Efficient query optimization for selective use of structure elements (2018-03-20),

6. 9471662 - Homogeneity evaluation of datasets (2016-10-18),

7. 9449032 - Multi-buffering system supporting read/write access to different data source type (2016-09-20),

8. 9400830 - Key figure data filters in OLAP with hierarchies (2016-07-26),

9. 9378264 - Removing group-by characteristics in formula exception aggregation (2016-06-28),

10. 9195690 - Iterative measures (2015-11-24),

11. 8650181 - OLAP execution model using relational operations (2014-02-11),

12. 8161070 - Efficient delta handling in star and snowflake schemes (2012-04-17),

13. 8073834 - Efficient handling of multipart queries against relational data (2011-12-06),

14. 8032520 - Extended handling of ambiguous joins (2011-10-04),

15. 7996633 - Sequencing transactions and operations (2011-08-09),

Title: Innovations and Contributions of Stefan Dipper in Database Technologies

Introduction

Stefan Dipper is a distinguished inventor based in Wiesloch, Germany, recognized for his contributions in the field of database technologies. With a total of 21 patents, Stefan has made significant advancements that facilitate data integrity and enhance query functionalities within database systems.

Latest Patents

Among Stefan Dipper's most notable patents are two methods that address the complexities of data management during query sessions. The first patent, titled "Accommodating concurrent changes in underlying data during reporting," describes a method for receiving user input on a specific data integrity scenario during database interactions. This innovation helps in accurately retrieving and displaying data, despite concurrent changes within the database.

The second patent focuses on "Database query calculation using an operator that explicitly removes group-by characteristics." This method emphasizes the two-level calculation process in data analysis, where group-by information is selectively removed to enhance the precision of data retrieval. By refining how queries are processed, Stefan’s inventions optimize the efficiency of database systems.

Career Highlights

Stefan Dipper has had a noteworthy career, significantly contributing to renowned companies that have developed and refined database technologies. He has worked at SAP AG and SAP SE, enabling him to leverage his innovative ideas within influential tech environments.

Collaborations

Throughout his career, Stefan has collaborated with talented professionals, including colleagues such as Michael Wilking and Sebastian Schroetel. These partnerships have allowed for a cross-pollination of ideas and advancements, further propelling innovations in their respective fields.

Conclusion

In conclusion, Stefan Dipper is a prominent inventor whose work has greatly enriched database technology. His 21 patents illustrate his commitment to enhancing data integrity and query efficiency, marking him as a key figure in the progression of database innovations. His collaborations and career path underscore the impact of teamwork in achieving remarkable technological advancements.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

3 patents pending: