| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 313 | |
| #2 | EPO (European Patent Office) | 8 | |
| #3 | United States | 6 | |
| #4 | China | 5 | |
| #5 | WIPO (World Intellectual Property Organization) | 5 | |
| #6 | Australia | 4 | |
| #7 | Canada | 4 | |
| #8 | Germany | 4 | |
| #9 | France | 3 | |
| #10 | United Kingdom | 3 | |
| #11 | Republic of Korea | 3 | |
| #12 | Norway | 3 | |
| #13 | Switzerland | 1 | |
| #14 | Denmark | 1 | |
| #15 | Netherlands | 1 | |
| #16 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Environmental technology | |
| #4 | Chemical engineering | |
| #5 | Engines, pumps and turbines | |
| #6 | Measurement | |
| #7 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Marine propulsion | |
| #3 | Climate change mitigation in transportation | |
| #4 | Internal-combustion piston engines | |
| #5 | Gearing | |
| #6 | Separation | |
| #7 | Analysing materials | |
| #8 | Burners | |
| #9 | Cremation furnaces | |
| #10 | Mixing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kuribayashi Sadatomo | 347 |
| #2 | Sasaki Noriyuki | 9 |
| #3 | Kuribayashi S | 5 |
| #4 | Sadatomo Kuribayashi | 2 |
| #5 | Kuribayashi Sadadomo | 2 |
| #6 | Sugioka Isao | 1 |
| #7 | Satadomo Kurihayashi | 1 |
| #8 | Matsuzaka Takehiko | 1 |
| #9 | Kato Yasunori | 1 |
| #10 | Komatsubara Hidenori | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020121574A | Steering gear | |
| JP2020090233A | Steering gear | |
| JP2020044876A | Steering gear | |
| JP2019142330A | Steering gear | |
| JP2019107984A | Steering gear and ship | |
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| JP2019019742A | High-viscosity fluid pump | |
| JP2017223169A | Multiple revolving chamber type high viscosity fluid pump | |
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| JP2016188033A | Steering device | |
| JP2016150705A | Steering gear | |
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| JP2015199434A | Ship propulsion device and ship rudder using the device | |
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| JP2015055172A | Piston pump | |
| JP2015020550A | Rudder device for ship |