Marius Dumitru

This inventor holds 41 USPTO granted patents and 5 published patent applications and 4 EPO patents, primarily in Data Analysis Techniques. Top assignees: Microsoft Technology Licensing, LLC, Other. Active years: 2008-2025.

USPTO Granted Patents = 41 (Patent Applications = 5)

% Patents Active = 68.3

EPO Patents = 4 (Patent Applications = 9)

Average Co-Inventor Count = 4.5

ph-index = 8

Forward Citations = 195(Granted Patents)

Location History:

Redmond, WA (US) (2009)
Issaquah, WA (US) (2008 - 2013)
Sammamish, WA (US) (2012 - 2022)

Company Filing History:

40 out of 55,978

Microsoft Technology Licensing, LLC

patents

1 out of 834,307

Other

patents

Years Active: 2008-2025

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Areas of Expertise:

Data Analysis

Query Optimization

Multidimensional Databases

High Cardinality

Data Querying

Database Relationships

User Interface

Cross-Filtering

Data Cubes

SQL Generation

In-Memory Store

Data Structures

41 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12380098 - Cache-efficient top-k aggregation over high cardinality large datasets (2025-08-05),

2. 12277123 - System and method for performing query operations on run length encoded data (2025-04-14),

3. 12277122 - System and method for accelerating query execution (2025-04-14),

4. 12229168 - Reading compressed data directly into an in-memory store (2025-02-18),

5. 11366960 - Data analysis expressions (2022-06-21),

6. 11036717 - Trie-structure formulation and navigation for joining (2021-06-15),

7. 10846289 - Bidirectional cross-filtering in analysis service systems (2020-11-24),

8. 10803638 - Efficient display of data points in a user interface (2020-10-13),

9. 10762289 - Data analysis expressions (2020-09-01),

10. 10635673 - Rule-based joining of foreign to primary key (2020-04-28),

11. 10565232 - Constructing queries for execution over multi-dimensional data structures (2020-02-18),

12. 10388042 - Efficient display of data points in a user interface (2019-08-20),

13. 10102243 - Specification of database table relationships for calculation (2018-10-16),

14. 9977812 - Trie-structure formulation and navigation for joining (2018-05-22),

15. 9922081 - Bidirectional cross-filtering in analysis service systems (2018-03-20),

Title: Marius Dumitru: Pioneering Inventor from Sammamish, WA

Introduction: Marius Dumitru is a distinguished inventor based in Sammamish, WA, known for his groundbreaking contributions to various technological fields.

Latest Patents: Marius Dumitru holds several patents in the areas of artificial intelligence, renewable energy, and medical devices, showcasing his versatility and innovative spirit.

Career Highlights: With over two decades of experience in the tech industry, Marius Dumitru has worked for leading companies such as Microsoft and Amazon, where he played a key role in developing cutting-edge technologies.

Collaborations: Throughout his career, Marius Dumitru has collaborated with top researchers and engineers from renowned universities and research institutions, fostering a culture of innovation and excellence.

Conclusion: Marius Dumitru's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and entrepreneurs.