| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 9 | |
| #2 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Semiconductors | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Mechanical elements | |
| #6 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Display controls | |
| #2 | Semiconductor devices | |
| #3 | Armour | |
| #4 | Tools for connecting or disengaging | |
| #5 | Clutches and brakes | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yamauchi Yukio | 12 |
| #2 | Fukunaga Takeshi | 2 |
| Publication | Filing date | Title |
|---|---|---|
| JP2003185393A | Mine explosion and disposal equipment | |
| JPH08156995A | Opening/closing device for tubular-outlet | |
| JPH06270231A | Screen replacing mechanism provided to resin extruder | |
| JPS60199332A | Feeding of animals by artificial radioactivity | |
| JPS6047668A | Machine for cutting and washing root vegetable | |
| JPS59194131A | Fixture | |
| US4569614A | Coupling | |
| JPS585509A | Fixing tool | |
| JPS5523932A | Burdock washing machine | |
| JPS54146018A | Method of connecting synthetic resin tube |