William Graham Easter

This inventor holds 56 USPTO granted patents and 1 EPO patent, primarily in Chemical Mechanical Polishing (CPC class 437 ). Top assignees: Lucent Technologies Inc., Agere Systems Inc., Agere Systems Guardian Corp.. Active years: 1989-2004.

USPTO Granted Patents = 56

% Patents Active = 98.2

EPO Patents = 1

Average Co-Inventor Count = 3.1

ph-index = 11

Forward Citations = 624(Granted Patents)

Forward Citations (Not Self Cited) = 618(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Reading, PA (US) (1989 - 1993)
Wernersville, PA (US) (1994 - 1999)
Orlando, FL (US) (1999 - 2004)

Company Filing History:

22 out of 9,364

Lucent Technologies Inc.

Agere Systems Guardian Corp.

patents

4. 3 out of 386

American Telephone and Telegraph, Co.

patents

5. 3 out of 3,345

At&t Bell Laboratories

patents

6. 2 out of 51

American Telephone and Telegraph Company, At&t Technologies, Inc.

patents

7. 1 out of 382

At&t Technologies, Inc.

where one patent can have more than one assignee

Years Active: 1989-2004

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Areas of Expertise:

Polishing Slurry

Endpoint Detection

Semiconductor Wafer

Chemical Mechanical Planarization

Polishing Apparatus

Slurry Recirculation

Cleaning Brush

Polishing Pad

Corrosion Resistance

Wafers

Signal Intensity

Polishing Carrier Head

56 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6750145 - Method of eliminating agglomerate particles in a polishing slurry (2004-06-15),

2. 6730603 - System and method of determining a polishing endpoint by monitoring signal intensity (2004-05-04),

3. 6728364 - Analog phone bank connector (2004-04-27),

4. 6726537 - Polishing carrier head (2004-04-27),

5. 6615433 - Apparatus for detecting wetness of a semiconductor wafer cleaning brush (2003-09-09),

6. 6596639 - Method for chemical/mechanical planarization of a semiconductor wafer having dissimilar metal pattern densities (2003-07-22),

7. 6579797 - Cleaning brush conditioning apparatus (2003-06-17),

8. 6558238 - Apparatus and method for reclamation of used polishing slurry (2003-05-06),

9. 6551410 - Method of cleaning a semiconductor wafer with a cleaning brush assembly having a contractible and expandable arbor (2003-04-22),

10. 6537135 - Curvilinear chemical mechanical planarization device and method (2003-03-25),

11. 6518987 - Mouse and mouse template for a motion impaired user (2003-02-11),

12. 6517416 - Chemical mechanical polisher including a pad conditioner and a method of manufacturing an integrated circuit using the chemical mechanical polisher (2003-02-11),

13. 6514123 - Semiconductor polishing pad alignment device for a polishing apparatus and method of use (2003-02-04),

14. 6508363 - Slurry container (2003-01-21),

15. 6462305 - Method of manufacturing a polishing pad using a beam (2002-10-08),

Title: William Graham Easter - Pioneering Inventor from Orlando, FL

Introduction: William Graham Easter is a distinguished inventor based in Orlando, FL, known for his groundbreaking contributions to various industries.

Latest Patents: William Graham Easter holds several patents in the fields of technology, healthcare, and consumer products, with his most recent inventions focusing on sustainable energy solutions and advanced medical devices.

Career Highlights: With a career spanning over two decades, William Graham Easter has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing innovative solutions to address them. His work has not only revolutionized existing technologies but has also paved the way for new advancements in the industry.

Collaborations: Throughout his career, William Graham Easter has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His ability to work effectively in multidisciplinary teams has led to the successful development and commercialization of several groundbreaking products.

Conclusion: William Graham Easter's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazing inventor in the Orlando, FL area and beyond. His continued dedication to pushing the boundaries of what is possible ensures that his legacy will endure for years to come.