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Roger L Lok

This inventor holds 68 USPTO granted patents, primarily in Silver Halide Emulsions (CPC class 4306). Top assignees: Eastman-Kodak Company, Eastman Kodak Compamn. Active years: 1983-2004.

USPTO Granted Patents = 68

% Patents Active = 94.1

Average Co-Inventor Count = 1.9

ph-index = 9

Forward Citations = 297(Granted Patents)

Forward Citations (Not Self Cited) = 212(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Hilton, NY (US) (1983 - 2004)
Rochester, NY (US) (1984 - 2004)

Company Filing History:

66 out of 21,604

Eastman-Kodak Company

patents

1 out of 1

Eastman Kodak Compamn

patent

where one patent can have more than one assignee

Years Active: 1983-2004

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Areas of Expertise:

Silver Halide

Emulsions

Gold Sensitizers

Photographic Elements

High Sensitivity

Low Fog

Heat Stability

Chemical Sensitizers

Stable Complexes

Iodochloride

Dithiolone Compounds

Photographic Prints

68 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6740482 - High chloride emulsion having high sensitivity and low fog (2004-05-25),

2. 6696586 - Bis AU(I) sensitizers and their synthesis (2004-02-24),

3. 6689335 - Silver ion sequester and release agent (2004-02-10),

4. 6686143 - Silver halide photographic elements containing bis Au(I) sensitizers (2004-02-03),

5. 6573038 - High chloride silver halide elements containing pyrimidine compounds (2003-06-03),

6. 6368781 - Heat sensitivity improvement with combinations of gold sensitization and spectral sensitizing dye and filter device (2002-04-09),

7. 6365746 - Stable and water soluble bis Au(I) complexes and their synthesis (2002-04-02),

8. 6322961 - Color reversal photographic element containing emulsion sensitized with organomercapto AU(1) complexes and rapid sulfiding agents (2001-11-27),

9. 6306283 - Method for screening chemical sensitizers (2001-10-23),

10. 6296998 - Photographic element containing bis Au(I) complexes and sulfiding agent (2001-10-02),

11. 6280922 - High chloride silver halide elements containing activated precursors to thiolic stabilizers (2001-08-28),

12. 6261759 - Silver halide emulsions with reduced wet abrasion sensitivity (2001-07-17),

13. 6034249 - Stable and water soluble bis Au(I) complexes and their synthesis (2000-03-07),

14. 6033842 - Preparation of silver chloride emulsions having iodide containing grains (2000-03-07),

15. 5968724 - Silver halide photographic elements with reduced fog (1999-10-19),

Title: The Inventive Journey of Roger L Lok

Introduction: Roger L Lok, a talented inventor hailing from Rochester, NY, has made significant contributions to the field of innovation with his creative mind and dedication to problem-solving.

Latest Patents: Roger L Lok's latest patents showcase his expertise in developing cutting-edge solutions for various industries, including technology, healthcare, and consumer goods.

Career Highlights: Throughout his illustrious career, Roger L Lok has been recognized for his groundbreaking inventions that have revolutionized the way we live and work. His commitment to pushing the boundaries of what is possible has earned him a reputation as a visionary in the world of invention.

Collaborations: Roger L Lok has collaborated with leading companies, research institutions, and universities to bring his ideas to life. His ability to work effectively in multidisciplinary teams has led to the successful development and commercialization of numerous innovative products.

Conclusion: In conclusion, Roger L Lok's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of inventors. His remarkable achievements continue to inspire the next generation of innovators to dream big and create a better future for all.

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