Jianglong CHANG

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Nanjing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Bus breaker control circuit for railway vehicle
- Patent number 11,807,133
- Issue date Nov 7, 2023
- CRRC Nanjing Puzhen Co., Ltd.
- Li Yang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pantograph remote control circuit for unmanned metro train
- Patent number 10,913,358
- Issue date Feb 9, 2021
- CRRC Nanjing Puzhen Co., Ltd.
- Qiaofeng Jiang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method for skipping multimedia file and multimedia apparatus thereof
- Patent number 8,634,702
- Issue date Jan 21, 2014
- Samsung Electronics Co., Ltd.
- Liang Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Bus Breaker Control Circuit for Railway Vehicle
- Publication number 20220324352
- Publication date Oct 13, 2022
- CRRC Nanjing Puzhen Co., Ltd.
- Li YANG
- B60 - VEHICLES IN GENERAL
Information Patent Application
Pantograph Remote Control Circuit for Unmanned Metro Train
- Publication number 20200398673
- Publication date Dec 24, 2020
- CRRC Nanjing Puzhen Co., Ltd.
- Qiaofeng JIANG
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD FOR SKIPPING MULTIMEDIA FILE AND MULTIMEDIA APPARATUS THEREOF
- Publication number 20120281966
- Publication date Nov 8, 2012
- Samsung Electronics Co., Ltd.
- Liang CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE