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Allentown, PA, United States of America

Sumitomo (shi) Cryogenics of America, Inc.

USPTO Granted Patents = 22

Trademarks = 12

Forward Citations = 47

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20 inventors (with patents filed for the assignee):

Ralph C Longsworth (16 out of 73 patents)

Mingyao Xu (5 out of 69 patents)

Stephen Dunn (3 out of 7 patents)

4. Eric Robert Seitz (2 out of 3 patents)

5. Jin Lin Gao (2 out of 11 patents)

6. Kurt R Rustin (2 out of 2 patents)

7. Matt E Datlen (2 out of 2 patents)

8. Howard H Tang (1 out of 17 patents)

9. Tian Lei (1 out of 4 patents)

10. Frank P Jankowsky, Iii (1 out of 2 patents)

11. Craig Hollabaugh (1 out of 3 patents)

12. Gary S Ash (1 out of 13 patents)

13. Santhosh Kumar Gandla (1 out of 1 patent)

14. John Borchers (1 out of 3 patents)

15. Motokazu Saito (1 out of 4 patents)

22 patents: Sort by Forward Citations

1. 12313488 - Thermal insulation system for a capacitance diaphragm gauge (2025-05-27),

2. 12104596 - Helium compressor system with unmodified scroll compressor (2024-10-01),

3. 12018780 - Split pulse tube connecting line (2024-06-25),

4. 11906380 - Bridge voltage inversion circuit for vacuum gauge and pressure gauge sensor having the voltage inversion circuit (2024-02-20),

5. 11768119 - Thermal barrier between high-temperature sensor and electronics in a capacitance diaphragm gauge (2023-09-26),

6. 11732943 - Universal controller for integration of cryogenic equipment, requiring different control mechanisms, onto a single operating platform (2023-08-22),

7. 11662123 - Reversible pneumatic drive expander (2023-05-30),

8. 11649989 - Heat station for cooling a circulating cryogen (2023-05-16),

9. 11604010 - Co-axtal, double-inlet valve for pulse tube cryocooler (2023-03-14),

10. 10704809 - System for warming-up and cooling-down a superconducting magnet (2020-07-07),

11. 10677498 - Brayton cycle engine with high displacement rate and low vibration (2020-06-09),

12. 9897350 - MRI cool down apparatus (2018-02-20),

13. 9546647 - Gas balanced brayton cycle cold water vapor cryopump (2017-01-17),

14. 9186601 - Cryopump drain and vent (2015-11-17),

15. 9174144 - Low profile cryopump (2015-11-03),

Sumitomo (SHI) Cryogenics of America, Inc. is a leading manufacturer of cryogenic equipment and systems. They specialize in providing innovative and reliable cryogenic solutions for a wide range of industries including semiconductor, aerospace, medical, and research. With over 50 years of experience, Sumitomo (SHI) Cryogenics is dedicated to delivering high-quality products and exceptional customer service.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

22 Patents

#8 in Allentown, PA

#543 in Pennsylvania

#14,497 in US

#27,846 in the World

Allentown, PA, United States of America

Sumitomo (shi) Cryogenics of America, Inc.

Forward Citations = 47

20 inventors:

Ralph C Longsworth (16 out of 73 patents)

Mingyao Xu (5 out of 69 patents)

Stephen Dunn (3 out of 7 patents)

4. Eric Robert Seitz (2 out of 3 patents)

5. Jin Lin Gao (2 out of 11 patents)

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