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Sylmar, CA, United States of America

Quallion LLC

USPTO Granted Patents = 116

% Expired Patents = 22.4

Forward Citations = 2,346

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66 inventors (with patents filed for the assignee):

Hisashi Tsukamoto (88 out of 96 patents)

Clay Hajime Kishiyama (24 out of 45 patents)

Mikito Nagata (23 out of 25 patents)

4. Hiroshi Nakahara (21 out of 27 patents)

5. David Skinlo (20 out of 49 patents)

6. Hiroyuki Yumoto (15 out of 17 patents)

7. Andrew Szyszkowski (15 out of 16 patents)

8. Taison Tan (9 out of 46 patents)

9. Tiehua Piao (9 out of 9 patents)

10. Vladimir Zolotnik (8 out of 15 patents)

11. Sang Young Yoon (8 out of 12 patents)

12. Leon Parkhouse (7 out of 7 patents)

13. Joanna Dodd (7 out of 7 patents)

14. Ryo Tamaki (5 out of 15 patents)

15. Phuong-Nghi Karen Lam (5 out of 5 patents)

Core Competencies:

Electrolyte

Battery Pack

Energy Density

Medical Power System

Flame Retardant

Amorphous Carbon

Rechargeable Batteries

Power Management

Electrode Assembly

Nonaqueous Liquid

Zero-Volt Technology

116 patents: Sort by Forward Citations

1. 10862102 - Electrodes with active materials in shells (2020-12-08),

2. 10361407 - Interface between electrodes and battery terminal (2019-07-23),

3. 10224567 - Battery having electrolyte including multiple passivation layer forming components (2019-03-05),

4. 9991497 - Electric storage battery construction and method of manufacture (2018-06-05),

5. 9893519 - Substrate providing electrical communication between power sources (2018-02-13),

6. 9882247 - Lithium ion battery capable of being discharged to zero volts (2018-01-30),

7. 9466837 - Battery having negative electrode including amorphous carbon (2016-10-11),

8. 9331362 - Battery having electrode with carbon current collector (2016-05-03),

9. 9269956 - High energy density metal-oxygen battery (2016-02-23),

10. 9192772 - Portable medical power system (2015-11-24),

11. 8815453 - Flame retardant battery (2014-08-26),

12. 8715863 - Battery having electrolyte with mixed solvent (2014-05-06),

13. 8704485 - Battery pack system (2014-04-22),

14. 8697294 - Battery having ceramic electrolyte (2014-04-15),

15. 8679677 - Incorportation of reference electrode into electrodes of electrochemical device (2014-03-25),

Quallion LLC, based in Sylmar, California, specializes in the development and manufacturing of advanced lithium-ion battery systems. The company focuses on a range of core technologies including electrolytes, battery packs, and energy density optimization, catering to various applications such as medical power systems. Quallion is recognized for its innovations in rechargeable batteries, flame retardant materials, and power management solutions, contributing significantly to the energy storage landscape.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

116 Patents

#5 in Sylmar, CA

#751 in California

#3,316 in US

#6,840 in the World

Sylmar, CA, United States of America

Quallion LLC

Forward Citations = 2,346

66 inventors:

Hisashi Tsukamoto (88 out of 96 patents)

Clay Hajime Kishiyama (24 out of 45 patents)

Mikito Nagata (23 out of 25 patents)

4. Hiroshi Nakahara (21 out of 27 patents)

5. David Skinlo (20 out of 49 patents)

Please report any incorrect information to [email protected]

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