B Mark Hirst

This inventor holds 32 USPTO granted patents and 1 published patent application, primarily in Power Supply Systems. Top assignees: Hewlett-Packard Company, Hewlett-Packard Development Company, L.p.. Active years: 1996-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: B Mark Hirst. Retrieved from https://idiyas.com/inventor/b-mark-hirst

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

USPTO Granted Patents = 32 (Patent Applications = 1)

% Patents Active = 68.8

Average Co-Inventor Count = 1.4

ph-index = 13

Forward Citations = 914(Granted Patents)

Location History:

Boise, ID (US) (1996 - 2012)
Meridian, ID (US) (2014)

Company Filing History:

21 out of 9,639

Hewlett-Packard Company

patents

11 out of 27,667

Hewlett-Packard Development Company, L.p.

patents

Years Active: 1996-2014

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Areas of Expertise:

Snubber Circuit

Fusing System

Power Supply

Imaging Device

Electrophotographic Printers

Heat Distribution

Temperature Gradient

Scan Line Correction

Multiple Frequency Switching

Mechanical Stress Reduction

Image Forming Devices

Memory Integration

32 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8664922 - Snubber circuit (2014-03-04),

2. 8253394 - Snubber circuit (2012-08-28),

3. 7541692 - Peripheral device having a power supply (2009-06-02),

4. 7187398 - Characterization of a scan line produced from a facet of a scanning device (2007-03-06),

5. 7180534 - Scanning assemblies, printing devices, and related methods (2007-02-20),

6. 6853831 - Fusing system including an external heater (2005-02-08),

7. 6847016 - System and method for controlling power in an imaging device (2005-01-25),

8. 6721530 - Fusing system having electromagnetic heating (2004-04-13),

9. 6710309 - Use of the temperature gradient to determine the source voltage (2004-03-23),

10. 6635864 - Measurement and correction of a scan line length error (2003-10-21),

11. 6580895 - Fusing system including a heat distribution mechanism (2003-06-17),

12. 6563726 - Synchronous bridge rectifier (2003-05-13),

13. 6512913 - Fusing system including a heat storage mechanism (2003-01-28),

14. 6445902 - Simplified fusing system (2002-09-03),

15. 6396724 - Charge-pumped DC bias supply (2002-05-28),

Title: B Mark Hirst: Innovator in Snubber Circuit Technology

Introduction: B Mark Hirst, based in Boise, ID, is a prolific inventor with a remarkable portfolio of 32 patents. His innovations primarily focus on sophisticated electrical components, providing essential advancements in circuit technology.

Latest Patents: Among his latest inventions, Hirst has developed a novel snubber circuit. This snubber circuit is designed to include a first energy storage device paired with circuitry that captures energy from a switching circuit. The design also features a second energy storage device that works in conjunction to store the captured energy, while the circuitry ensures the resetting of the first energy storage device.

Career Highlights: Hirst has made substantial contributions to the field through his tenure at esteemed companies such as Hewlett-Packard Company and Hewlett-Packard Development Company, L.P. His work has significantly influenced the advancement of circuit design and energy management.

Collaborations: Throughout his career, Hirst has collaborated with notable individuals, including Mark John Wibbels and Kenneth Eugene Heath. These partnerships have fostered a dynamic environment for innovation and development in electrical engineering.

Conclusion: B Mark Hirst stands out as a significant figure in the realm of circuit innovation. With a strong background and a series of patents to his name, he continues to impact the technology landscape through his inventive solutions.

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]

1 patent pending: