| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Locks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Awaji Yasuo | 11 |
| #2 | Sakamoto Kazuchika | 9 |
| #3 | Sakamoto Kazuo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2008174911A | Bump key | |
| JP2004108062A | Cylinder lock using functional split driver pin | |
| JP2003264547A | Key (key) data registration and code number collation system utilizing internet | |
| JP2003232146A | A plurality of pin type upper pins for cylindrical lock | |
| JP2003227252A | Thumb turn block | |
| JP2003224676A | Signal transmission and reception system using transmitting function of mobile communication body | |
| JP2003206658A | Cylinder lock | |
| JP2003148007A | Lock (cylinder) and key, and lock information providing system | |
| JP2002129787A | Anti-picking cylinder | |
| JP2002070370A | Thumb-turn lock |