Harm Peter Hofstee

This inventor holds 99 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 3 EPO patents, primarily in Virtualization Technology (CPC class H01L2-348). Top assignees: International Business Machines Corporation, Kabushiki Kaisha Toshiba, Sony Computer Entertainment Inc.. Active years: 2000-2023.

USPTO Granted Patents = 99 (Patent Applications = 2)

% Patents Active = 35.4

CIPO Patents = 1

EPO Patents = 3 (Patent Applications = 1)

Average Co-Inventor Count = 4.0

ph-index = 20

Forward Citations = 1,671(Granted Patents)

Forward Citations (Not Self Cited) = 1,652(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

98 out of 166,159

International Business Machines Corporation

patents

2 out of 53,211

Kabushiki Kaisha Toshiba

patents

2 out of 1,799

Sony Computer Entertainment Inc.

where one patent can have more than one assignee

Years Active: 2000-2023

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Areas of Expertise:

Virtualization

Multithreading

Cryptographic Algorithms

Memory Access

Processor Architecture

System on Chip

High Speed Processing

Data Compression

Message Authentication

Heterogeneous Processors

Dynamic Circuit Library

Asynchronous DMA

99 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11777748 - Trusted timestamping (2023-10-03),

2. 9703516 - Configurable interface controller (2017-07-11),

3. 9361160 - Virtualization across physical partitions of a multi-core processor (MCP) (2016-06-07),

4. 8918553 - Multithreaded programmable direct memory access engine (2014-12-23),

5. 8838950 - Security architecture for system on chip (2014-09-16),

6. 8830714 - High speed large scale dictionary matching (2014-09-09),

7. 8824569 - High bandwidth decompression of variable length encoded data streams (2014-09-02),

8. 8804852 - High bandwidth decompression of variable length encoded data streams (2014-08-12),

9. 8775840 - Virtualization in a multi-core processor (MCP) (2014-07-08),

10. 8732716 - Virtualization across physical partitions of a multi-core processor (MCP) (2014-05-20),

11. 8677136 - Authenticating messages using cryptographic algorithm constants supplied to a storage-constrained target (2014-03-18),

12. 8677101 - Method and apparatus for cooperative software multitasking in a processor system with a partitioned register file (2014-03-18),

13. 8438404 - Main processing element for delegating virtualized control threads controlling clock speed and power consumption to groups of sub-processing elements in a system such that a group of sub-processing elements can be designated as pseudo main processing element (2013-05-07),

14. 8341638 - Delegated virtualization across physical partitions of a multi-core processor (MCP) (2012-12-25),

15. 8295056 - Silicon carrier structure and method of forming same (2012-10-23),

Title: Harm Peter Hofstee: Innovator in Trusted Timestamping and Flexible I/O Solutions

Introduction

Harm Peter Hofstee is an accomplished inventor based in Austin, TX, known for his impressive portfolio of 99 patents. His innovative contributions are primarily centered around methods and systems that enhance data integrity and system efficiency.

Latest Patents

Among his notable patents are two recent innovations:

1. **Trusted Timestamping** - This patent outlines a method, computer program product, and computer system for trusted timestamping. It involves a processor that generates a first key pair, including a public key and a private key. The public key is published to an immutable data structure, allowing a processor to sign digital files for timestamping, ensuring their authenticity.

2. **Configurable Interface Controller** - This invention describes a flexible input/output controller logic that interfaces with existing inputs/outputs to optimize data transmission. It allows for the regulation of data sent to and received from input/output controllers (IOCs), maintaining system efficiency and balancing bandwidth utilization across multiple controllers.

Career Highlights

Hofstee has made significant strides in his career, with notable positions at IBM (International Business Machines Corporation) and Sony Computer Entertainment Inc. His work in these leading technology companies has propelled him to the forefront of innovation in the tech industry.

Collaborations

Throughout his career, Hofstee has worked closely with several talented individuals, including his colleagues Sang Hoo Dhong and James Allan Kahle. These collaborations have contributed to the richness and diversity of ideas within his projects.

Conclusion

Harm Peter Hofstee stands out as a leading inventor in the fields of trusted timestamping and flexible I/O systems. His extensive patent portfolio and collaborations highlight his significant impact on technology and innovation. His work continues to pave the way for advancements in efficient data management and system performance.