Peng Du

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Biomimetic chitosan filler for preventing capsular contracture and...
- Patent number 10,828,390
- Issue date Nov 10, 2020
- SHANGHAI HAOHAI BIOLOGICAL TECHNOLOGY CO., LTD.
- Kun Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and device for guiding users to restore Rubik's cube
- Patent number 10,643,090
- Issue date May 5, 2020
- Shanghai Putao Technology Co., Ltd.
- Letian Wang
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Derivatized or Rapidly Polymerizing Collagen Compositions for Tissu...
- Publication number 20220362438
- Publication date Nov 17, 2022
- Shanghai Qisheng Biological Preparation Co., Ltd.
- Dale P. DeVore
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Hyaluronic Acid Compositions Containing Slowly Resorbable Polymers
- Publication number 20220362437
- Publication date Nov 17, 2022
- Shanghai Qisheng Biological Preparation Co., Ltd.
- Dale P. DeVore
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Biomimetic chitosan filler for preventing capsular contracture and...
- Publication number 20200230287
- Publication date Jul 23, 2020
- Shanghai Haohai Biological Technology Co.,Ltd
- Kun ZHANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD AND DEVICE FOR GUIDING USERS TO RESTORE RUBIK'S CUBE
- Publication number 20180322356
- Publication date Nov 8, 2018
- Shanghai Putao Technology co., Ltd.
- Letian Wang
- A63 - SPORTS GAMES AMUSEMENTS