Painted Post, NY, United States of America

Douglas Llewellyn Butler

This inventor holds 59 USPTO granted patents and 23 published patent applications and 9 EPO patents, primarily in Optical Fiber Technology (CPC class G02B). Top assignees: Corning Optical Communications LLC, Corning Research & Development Corporation, Corning Incorporated. Active years: 2000-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas Llewellyn Butler. Retrieved from https://idiyas.com/inventor/douglas-llewellyn-butler

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

USPTO Granted Patents = 59 (Patent Applications = 23)

% Patents Active = 83.1

EPO Patents = 9 (Patent Applications = 31)

Average Co-Inventor Count = 3.7

ph-index = 8

Forward Citations = 232(Granted Patents)

Forward Citations (Not Self Cited) = 186(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

18 out of 778

Corning Optical Communications LLC

patents

18 out of 564

Corning Research & Development Corporation

Oclaro (North America Inc.)

patents

5. 3 out of 824

Corning Cable Systems

patents

6. 1 out of 120

Ccs Technology Corporation

patents

7. 1 out of 33

The United States of America as Represented by the Director of the

patents

Years Active: 2000-2026

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Areas of Expertise:

Fiber Optic Terminals

Optical Couplers

Photonic Integrated Chips

Multicore Optical Fibers

Traceable Cable Assemblies

Optical Interconnection Devices

Optoelectronic Packages

Waveguide Arrays

High-Density FAUs

Optical Assembly

Solder Reflow

Glass-Based Ferrules

59 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12687679 - Fiber holders and associated methods for maintaining relative orientiation of fibers therein (2026-07-21),

2. 12687673 - Multicore optical fiber with reduced cross talk (2026-07-21),

3. 11947167 - Fiber optic terminals and tools and methods for adjusting a split ratio of a fiber optic terminal (2024-04-02),

4. 11914193 - Optical assembly for coupling with two-dimensionally arrayed waveguides and associated methods (2024-02-27),

5. 11886010 - Fiber optic terminals and fiber optic networks having variable ratio couplers (2024-01-30),

6. 11880071 - Optical assembly for interfacing waveguide arrays, and associated methods (2024-01-23),

7. 11852870 - Optical fiber photonic integrated chip connector interfaces, photonic integrated chip assemblies, and methods of fabricating the same (2023-12-26),

8. 11586000 - High-density FAUs and optical interconnection devices and related methods (2023-02-21),

9. 11500160 - Multicore optical fiber fan-out assemblies and apparatuses (2022-11-15),

10. 11415754 - Fiber array spacers, optical assemblies incorporating fiber array spacers, and methods of fabricating the same (2022-08-16),

11. 11387374 - Optoelectronic package assemblies including solder reflow compatible fiber array units and methods for assembling the same (2022-07-12),

12. 11204466 - Optical fiber photonic integrated chip connector interfaces, photonic integrated chip assemblies, and methods of fabricating the same (2021-12-21),

13. 11114812 - Optical tube waveguide lasing medium and related method (2021-09-07),

14. 10782474 - Detachable optical connectors for optical chips comprising a connector support and methods of fabricating the same (2020-09-22),

15. 10746937 - Assemblies, optical connectors and methods of bonding optical elements to substrates (2020-08-18),

Title: Douglas Llewellyn Butler: Revolutionizing Industries Through Innovative Patents

Introduction:

Douglas Llewellyn Butler, a renowned inventor based in Painted Post, NY, has made significant contributions to various industries throughout his career. His innovative ideas and patents have revolutionized technology advancements and improved data applications. With an impressive portfolio of 55 patents, Butler continues to push the boundaries of what is possible.

Latest Patents:

Among Butler's most recent patents are fiber optic terminals and fiber optic networks with variable ratio couplers. These inventions introduce a shell and control mechanism that allows for adjustable output power levels between optical outputs, presenting potential benefits for enhanced fiber optic communications. In addition, Butler has developed an optical assembly for interfacing waveguide arrays, which enables optical connections between two-dimensional and one-dimensional arrays of external optical waveguides. These patents demonstrate Butler's commitment to improving connectivity and expanding the capabilities of optical communication systems.

Career Highlights:

Throughout his career, Butler has consistently achieved milestones and propelled his industries forward. Having worked with prominent companies like Corning Optical Communications LLC and Corning Research & Development Corporation, Butler has been at the forefront of cutting-edge technology developments. His expertise in fiber optics and waveguide technologies has led to significant breakthroughs, resulting in numerous patents that have transformed industries.

Collaborations:

Butler's collaborations with esteemed colleagues have played a crucial role in expanding his innovative ideas. Working alongside individuals like James Scott Sutherland and Anthony Sebastian Bauco, Butler has leveraged their expertise and shared knowledge to develop groundbreaking solutions. These collaborative efforts demonstrate the power of collective innovation and the importance of teamwork in driving progress.

Conclusion:

Douglas Llewellyn Butler's remarkable career trajectory and his numerous patented inventions stand as a testament to his immense contributions to the world of innovations and patents. His work in fiber optics, waveguide technologies, and optical communication systems has opened up new possibilities and revolutionized various industries. With a focus on enhancing connectivity and power distribution, Butler continues to be a driving force behind advancements in these fields. As we look to the future, we eagerly anticipate the next groundbreaking patents that Butler will undoubtedly bring to the table.

Profile summary based on public USPTO records.