Category:Junming ZHANG

Junming ZHANG

Executive Summary

Junming ZHANG is an inventor who has filed 4 patents. Their primary areas of innovation include APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers (2 patents), APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers (2 patents), Means for protecting converters other than automatic disconnection (1 patents), and they have worked with companies such as Joulwatt Technology Co., Ltd. (4 patents). Their most frequent collaborators include (4 collaborations), (2 collaborations), (2 collaborations).

Patent Filing Activity

Technology Areas

List of Technology Areas

• H02M3/33592 (APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers): 2 patents
• H02M3/33571 (APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers): 2 patents
• H02M1/322 (Means for protecting converters other than automatic disconnection): 1 patents
• H02M3/33507 (APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers): 1 patents
• H02M3/3353 (APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers): 1 patents
• H02M1/32 (Means for protecting converters other than automatic disconnection): 1 patents
• H02M1/0058 (Details of apparatus for conversion): 1 patents
• H02M3/01 (APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers): 1 patents

Companies

List of Companies

• Joulwatt Technology Co., Ltd.: 4 patents

Collaborators

• Xianghua JIANG (4 collaborations)
• PITLEONG WONG (2 collaborations)
• XIANGYONG XU (2 collaborations)
• Xiangyong XU (2 collaborations)
• Pitleong WONG (2 collaborations)