Hongmei Zhang

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Nantong, Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
De-bouncing keypad and preparation method thereof
- Patent number 10,224,156
- Issue date Mar 5, 2019
- Nantong Memtech Technologies Co., Ltd.
- Huisheng Han
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Arc ablation-resistant tungsten alloy switch contact and preparatio...
- Patent number 10,079,119
- Issue date Sep 18, 2018
- Nantong Memtech Technologies Co., Ltd.
- Huisheng Han
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Switch contact element and its preparation method
- Patent number 10,026,565
- Issue date Jul 17, 2018
- NANTONG MEMTECH TECHNOLOGY CO., LTD.
- Huisheng Han
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Precious metal switch contact component and its preparation method
- Patent number 10,026,564
- Issue date Jul 17, 2018
- NANTONG MEMTECH TECHNOLOGY CO., LTD.
- Huisheng Han
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Arc-ablation resistant switch contact and preparation method thereof
- Patent number 9,905,376
- Issue date Feb 27, 2018
- Nantong Memtech Technologies Co., Ltd.
- Huisheng Han
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
DE-BOUNCING KEYPAD AND PREPARATION METHOD THEREOF
- Publication number 20170133174
- Publication date May 11, 2017
- NANTONG MEMTECH TECHNOLOGIES CO., LTD.
- Huisheng Han
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ARC-ABLATION RESISTANT SWITCH CONTACT AND PREPARATION METHOD THEREOF
- Publication number 20170125179
- Publication date May 4, 2017
- Nantong Memtech Technologies Co., Ltd.
- Huisheng Han
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ARC-ABLATION RESISTANT TUNGSTEN ALLOY SWITCH CONTACT AND PREPARATIO...
- Publication number 20170125180
- Publication date May 4, 2017
- Nantong Memtech Technologies Co., Ltd.
- Huisheng Han
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
A Precious Metal Switch Contact Component and Its Preparation Method
- Publication number 20160372276
- Publication date Dec 22, 2016
- NANTONG MEMTECH TECHNOLOGIES CO., LTD
- Huisheng HAN
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Switch Contact Element and Its Preparation Method
- Publication number 20160126024
- Publication date May 5, 2016
- Nantong Memtech Technologies Co., Ltd.
- Huisheng HAN
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR