| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 20 | |
| #2 | United States | 6 | |
| #3 | China | 3 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | WIPO (World Intellectual Property Organization) | 3 | |
| #6 | Australia | 2 | |
| #7 | Republic of Korea | 1 | |
| #8 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Winches | |
| #2 | Unspecified technologies | |
| #3 | Cranes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kataoka Kozo | 13 |
| #2 | Kataoka Iwao | 11 |
| #3 | Kataoka Kouzo | 9 |
| #4 | Kataoka Yasufumi | 3 |
| #5 | Kataoka Itsuki | 2 |
| #6 | Kataoka Kuozo | 1 |
| #7 | Nakagawa Nobuhiro | 1 |
| #8 | Osato Yasuhiro | 1 |
| #9 | Kouzo Kataoka | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2018184227A | Support equipment of cargo handling pallet | |
| JP2017223278A | Chain coupling | |
| JP2016030667A | Limit switch device of electric winch | |
| WO2014013534A1 | Electric hoist | |
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| JP2012082856A | Fixed pulley | |
| JP2009166871A | Packaging box for displaying heavy stored item | |
| JP2008050165A | Trolley | |
| JP2008005748A | Bite alarm | |
| JP2006089255A | Chain block | |
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| AU2002354242A1 | Electric hoist | |
| JP2003073071A | Puller | |
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| JP2001234905A | Beam clamp | |
| JP2000209883A | Plugging preventive circuit | |
| JP2000159474A | Pallet suspending tool | |
| JP2000143143A | Puller | |
| JPH10220491A | Overload control mechanism of cargo handling equipment |