| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 4 | |
| #2 | Taiwan | 4 | |
| #3 | Canada | 3 | |
| #4 | France | 3 | |
| #5 | United Kingdom | 3 | |
| #6 | Italy | 3 | |
| #7 | China | 2 | |
| #8 | Hong Kong | 1 | |
| #9 | Indonesia | 1 | |
| #10 | Singapore | 1 | |
| #11 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Audio-visual technology | |
| #4 | Packaging and shipping | |
| #5 | Computer technology | |
| #6 | Control |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Unspecified technologies | |
| #3 | Special information storage | |
| #4 | Containers for goods storage | |
| #5 | Data recognition and presentation | |
| #6 | Alarm systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mitsuyama Masuhiro | 24 |
| #2 | Masuhiro Koyama | 1 |
| #3 | Masuhiro Mitsuyama | 1 |
| Publication | Filing date | Title |
|---|---|---|
| TW546437B | Anti-theft device | |
| GB0113398D0 | Antitheft cases |