Leo J Schowalter

This inventor holds 85 USPTO granted patents and 7 published patent applications, plus 1 CIPO patent and 9 EPO patents, primarily in Aluminum Nitride Crystals (CPC class C30B29-403). Top assignees: Crystal Is, Inc., Rensselaer Polytechnic Institute. Active years: 2004-2025.

USPTO Granted Patents = 85 (Patent Applications = 7)

% Patents Active = 89.4

CIPO Patents = 1

EPO Patents = 9 (Patent Applications = 7)

Average Co-Inventor Count = 3.8

ph-index = 18

Forward Citations = 668(Granted Patents)

Forward Citations (Not Self Cited) = 162(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

Rensselaer Polytechnic Institute

patents

where one patent can have more than one assignee

Years Active: 2004-2025

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Areas of Expertise:

Aluminum Nitride

UVC Dosing

Ultraviolet Light

Photon Extraction

Fluid Disinfection

Crystal Growth

Defect Reduction

Thermal Control

Doped Crystals

High Transparency

Light-Emitting Devices

Epitaxial Layers

85 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12343668 - Air disinfection chamber (2025-07-01),

2. 12264410 - Aluminum nitride crystals having low urbach energy and high transparency to deep-ultraviolet wavelengths (2025-04-01),

3. 12227873 - Aluminum nitride single crystals having large crystal augmentation parameters (2025-02-18),

4. 12195362 - Periodic UVC dosing (2025-01-14),

5. 11990562 - Ultraviolet light-emitting devices having enhanced light output (2024-05-21),

6. 11939700 - Impurity control during formation of aluminum nitride crystals and thermal treatment of aluminum nitride crystals (2024-03-26),

7. 11913136 - Thermal control for formation and processing of aluminum nitride (2024-02-27),

8. 11840773 - Aluminum nitride single crystals having controllable color and methods of forming them (2023-12-12),

9. 11828002 - Large, UV-transparent aluminum nitride single crystals (2023-11-28),

10. 11578425 - Thermal control for formation and processing of aluminum nitride (2023-02-14),

11. 11555256 - Aluminum nitride crystals having low urbach energy and high transparency to deep-ultraviolet wavelengths (2023-01-17),

12. 11530141 - Systems and methods for fluid disinfection with ultraviolet light (2022-12-20),

13. 11515455 - Photon extraction from ultraviolet light-emitting devices (2022-11-29),

14. 11440818 - Fluid treatment reactor (2022-09-13),

15. 11384449 - Two-stage seeded growth of large aluminum nitride single crystals (2022-07-12),

Title: Inventor Leo J Schowalter - Pioneering Innovations in Latham, NY

Introduction: Leo J Schowalter is a distinguished inventor based in Latham, NY, known for his groundbreaking contributions to various technological fields.

Latest Patents: Leo J Schowalter holds several patents in the areas of renewable energy, sustainable materials, and advanced manufacturing processes, showcasing his commitment to creating a more sustainable future.

Career Highlights: With a career spanning over two decades, Leo J Schowalter has worked with leading research institutions and companies to develop cutting-edge technologies that have revolutionized industries.

Collaborations: Throughout his career, Leo J Schowalter has collaborated with top engineers, scientists, and innovators, fostering a culture of creativity and excellence in all his projects.

Conclusion: Leo J Schowalter's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and shape the future of various industries.