| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Japan | 3 | |
| #3 | Germany | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Transport | |
| #4 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Locks | |
| #3 | Bolts for doors or windows | |
| #4 | Hinges for doors or windows | |
| #5 | Nails | |
| #6 | Motor vehicles | |
| #7 | Animal care |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wang Tsung-Hsiang | 8 |
| #2 | Wang Tsung Hsiang | 2 |
| #3 | Jeng Shu-Jen | 2 |
| #4 | Cheng Shu-Chen | 1 |
| #5 | Zheng Shuzhen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2021079700A1 | Safety gate | |
| US2021040791A1 | Safety gate | |
| US2020340295A1 | Safety gate | |
| US2020063488A1 | Safety gate | |
| US2019323531A1 | Cat tree | |
| US2019085620A1 | Safety gate | |
| US2019078382A1 | Retractable Safety Gate | |
| US2019360263A1 | Easy-open safety gate for a barrier | |
| US2018274288A1 | Safety gate | |
| US2017067284A1 | Safety gate and locking device for the same | |
| JP2009036012A | Fence hinge assembly | |
| JP2008088802A | Reelable guard | |
| JP2005146730A | Safety gate |