| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Malaysia | 4 | |
| #2 | Hong Kong | 3 | |
| #3 | United States | 3 | |
| #4 | Netherlands | 2 | |
| #5 | Brazil | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Italy | 1 | |
| #8 | South Africa | 1 | |
| #9 | Zambia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Machine tools | |
| #5 | Transport | |
| #6 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Indexing scheme relating to hinges | |
| #2 | Unspecified technologies | |
| #3 | Wing fittings | |
| #4 | Shafts | |
| #5 | Punching metal | |
| #6 | Vehicle wheels | |
| #7 | Bolts for doors or windows | |
| #8 | Gearing | |
| #9 | Ignition and extinguishing | |
| #10 | Locks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nakanishi Yoshitaka | 6 |
| #2 | Yoshitaka Nakanishi | 3 |
| #3 | Nakanishi | 1 |
| #4 | Yoshitaka | 1 |
| Publication | Filing date | Title |
|---|---|---|
| MY8000013A | Chain catch for door | |
| HK30776A | Improvements in cigarette lighters | |
| ZA7506043B | Chain latch for door | |
| US3617103A | Roller | |
| US3537126A | Apparatus for attaching a swing door provided with a door check | |
| GB1135759A | Improvements in fastenings for doors and the like |