| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 52 | |
| #2 | United States | 5 | |
| #3 | Switzerland | 2 | |
| #4 | Germany | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | Italy | 2 | |
| #7 | Republic of Korea | 2 | |
| #8 | Sweden | 2 | |
| #9 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Unspecified technologies | |
| #3 | Coin-freed | |
| #4 | Ticket-issuing devices | |
| #5 | Bolts for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Minemura Yoichi | 5 |
| #2 | Miyamae Yasuo | 5 |
| #3 | Minemura Toshio | 5 |
| #4 | Minemura Hiroyuki | 5 |
| #5 | Ozaki Masayuki | 5 |
| #6 | Sekiguchi Morishige | 4 |
| #7 | Sasaki Shuntaro | 4 |
| #8 | Miyamae Masuo | 3 |
| #9 | Tai Seiichi | 3 |
| #10 | Hashimoto Miyuki | 3 |
| Publication | Filing date | Title |
|---|---|---|
| JP2004244836A | Handle lock | |
| JP2004171374A | Patrol record management method, system, and id recording medium | |
| JP2003227253A | Tumbler lock | |
| JP2003161059A | Thumb-turn | |
| JP2003003703A | Cylinder lock | |
| JP2002295067A | Lock | |
| JP2002147074A | Insertion type lock for card ticket | |
| JP2001073602A | Lock | |
| JP2002004681A | Fradulent unlocking preventing lock device | |
| JP2001234649A | Electronic lock | |
| JP2001164804A | Change key and standard key | |
| JP2001152721A | Illicit opening preventive lock device | |
| JP2001098806A | Coin return lock | |
| JP2000220329A | Handle lock | |
| JP2000160888A | Cylinder lock | |
| JP2000160885A | Handle lock | |
| JP2000080829A | Lock | |
| JP2000096894A | Lock | |
| JP2000080824A | Dial lock | |
| JPH112052A | Noncontact card lock |