| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 15 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Unspecified technologies | |
| #3 | Nails | |
| #4 | Bolts for doors or windows | |
| #5 | Unspecified technologies | |
| #6 | Shafts | |
| #7 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kenichi Yamada | 3 |
| #2 | Kukiichi Honda | 3 |
| #3 | Kenichi Yamata | 2 |
| #4 | Ichihide Takihara | 1 |
| #5 | Toshiaki Asada | 1 |
| #6 | Koshi Yamada | 1 |
| #7 | Shunji Sasaki | 1 |
| #8 | Sune Takanori | 1 |
| #9 | Shigeo Murata | 1 |
| #10 | Takanobu Nishita | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN1336479A | Guiding article used for lock rod | |
| CN1201102A | Door-lock handle | |
| CN1201100A | Door handle | |
| CN1162050A | Lock-handle for door rotating when lock-handle is pulled out | |
| CN1162056A | Four-shaft hinge set on outer side of door | |
| CN1162055A | Laminated hinge | |
| CN1162054A | Four-shaft built-in hinge set on internal side of door | |
| CN1162049A | Lock handle device with detachable handle |