| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 48 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Okura Norimine | 36 |
| #2 | Okura Yoshikuni | 12 |
| Publication | Filing date | Title |
|---|---|---|
| JP2008169641A | Link for wooden building members | |
| JP2008163662A | Fastener | |
| JP2008127798A | Connecting implement | |
| JP2008106796A | Drift pin | |
| JP2007085158A | Member fastener | |
| JP2008002241A | Coupler | |
| JP2007308935A | Foundation packing | |
| JP2007278027A | Connection hardware | |
| JP2007182735A | Metal fitting and connector making use thereof | |
| JP2007132168A | Joint hardware for wooden building | |
| JP2007085092A | Column fastener | |
| JP2007071339A | Timber connecting fitting | |
| JP2007070946A | Combination beam | |
| JP2007032117A | Fastener | |
| JP2007009649A | Component coupling device | |
| JP2006316460A | Panel material for roof | |
| JP2006274667A | Member connection device | |
| JP2006241753A | Fastener | |
| JP2006219837A | Connecting fitting | |
| JP2006177108A | Member fixture |