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Green Island, NY, United States of America

Crystal Is, Inc.

USPTO Granted Patents = 96

CIPO Patents = 1

EPO Patents = 9

Trademarks = 5

Forward Citations = 727

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46 inventors (with patents filed for the assignee):

Leo J Schowalter (85 out of 85 patents)

Robert T Bondokov (44 out of 44 patents)

Glen Alfred Slack (36 out of 40 patents)

4. James R Grandusky (30 out of 30 patents)

5. Jianfeng Chen (29 out of 29 patents)

6. Kenneth E Morgan (28 out of 28 patents)

7. Shailaja P Rao (16 out of 16 patents)

8. Shawn Robert Gibb (16 out of 16 patents)

9. Craig Moe (11 out of 11 patents)

10. Shichao Wang (11 out of 11 patents)

11. Keisuke Yamaoka (10 out of 34 patents)

12. Ken Kitamura (9 out of 11 patents)

13. Masato Toita (9 out of 9 patents)

14. Joseph A Smart (9 out of 17 patents)

15. Yuting Wang (7 out of 23 patents)

Core Competencies:

Aluminum Nitride Crystals

Ultraviolet Light-Emitting Devices

Air Disinfection Chamber

Photon Extraction

Fluid Treatment Reactor

Doped Aluminum Nitride

Defect Reduction

Thermal Control

Periodic UVC Dosing

Pseudomorphic Electronic Devices

Chemical Concentration Measurement

Large Crystal Augmentation

96 patents: Sort by Forward Citations

1. 12344957 - Tungsten-infused aluminum nitride crystals and methods of forming them (2025-07-01),

2. 12343668 - Air disinfection chamber (2025-07-01),

3. 12264410 - Aluminum nitride crystals having low urbach energy and high transparency to deep-ultraviolet wavelengths (2025-04-01),

4. 12227873 - Aluminum nitride single crystals having large crystal augmentation parameters (2025-02-18),

5. 12195362 - Periodic UVC dosing (2025-01-14),

6. 12163250 - Control of basal plane dislocations in large aluminum nitride crystals (2024-12-10),

7. 11990562 - Ultraviolet light-emitting devices having enhanced light output (2024-05-21),

8. 11942569 - Methods and packages for enhancing reliability of ultraviolet light-emitting devices (2024-03-26),

9. 11939700 - Impurity control during formation of aluminum nitride crystals and thermal treatment of aluminum nitride crystals (2024-03-26),

10. 11913136 - Thermal control for formation and processing of aluminum nitride (2024-02-27),

11. 11840773 - Aluminum nitride single crystals having controllable color and methods of forming them (2023-12-12),

12. 11828002 - Large, UV-transparent aluminum nitride single crystals (2023-11-28),

13. 11578425 - Thermal control for formation and processing of aluminum nitride (2023-02-14),

14. 11555256 - Aluminum nitride crystals having low urbach energy and high transparency to deep-ultraviolet wavelengths (2023-01-17),

15. 11530141 - Systems and methods for fluid disinfection with ultraviolet light (2022-12-20),

Crystal Is, Inc., is a leading provider of advanced engineered substrates for the microelectronics industry. With a focus on high-quality products and cutting-edge technologies, Crystal Is delivers innovative solutions to meet the evolving demands of various applications, including semiconductors, optoelectronics, and wireless devices. Through their expertise in crystal growth and material science, Crystal Is enables customers to achieve enhanced performance, reliability, and efficiency in their electronic devices.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

96 Patents

#1 in Green Island, NY

#219 in New York

#3,786 in US

#7,825 in the World

Green Island, NY, United States of America

Crystal Is, Inc.

Forward Citations = 727

46 inventors:

Leo J Schowalter (85 out of 85 patents)

Robert T Bondokov (44 out of 44 patents)

Glen Alfred Slack (36 out of 40 patents)

4. James R Grandusky (30 out of 30 patents)

5. Jianfeng Chen (29 out of 29 patents)

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