| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 11 | |
| #2 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | IT methods for management | |
| #3 | Audio-visual technology | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Working stone | |
| #2 | Data processing systems | |
| #3 | Television | |
| #4 | Unspecified technologies | |
| #5 | Sawing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fukushima Osamu | 14 |
| #2 | Fujii Hajime | 3 |
| #3 | Ozaki Hiroshi | 3 |
| #4 | Fukushima Hideyasu | 1 |
| #5 | Kitajima Hideaki | 1 |
| #6 | Tsubakimori Shinichi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2008114469A | Wire saw driver and removal method of telescopic joint | |
| JP2007177436A | Joint repairing method | |
| JP2004248936A | Movable furniture | |
| JPH08141907A | Pipe cutter | |
| JPH07186135A | Chain drive blade, chain for chain driven blade, and chain drive cutter | |
| JPH07189503A | Cutting device | |
| JPH07156013A | Pipe cutting device | |
| JPH06128906A | Traveling horizontal cutting device | |
| JPH06170636A | Pipe cutting device | |
| JPS6355205A | Paved surface removing method and pavement cutter used therein | |
| JPS6347403A | Method and apparatus for crushing road |