| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 4 | |
| #2 | United States | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | EPO (European Patent Office) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Unspecified technologies | |
| #3 | Shafts | |
| #4 | Earth drilling | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sugitani Nobuyoshi | 12 |
| #2 | Aoyama Hideji | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2018073884A | Power element connection structure of totem pole circuit | |
| WO2016002452A1 | Excavation bit | |
| JP2013061031A | Planetary rotation/linear motion conversion device | |
| JP2013029122A | Sealed rolling bearing | |
| US2010167867A1 | Planetary gear device | |
| US2007238571A1 | Gear mechanism, planetary gear device, rotating bearing device, and magical planetary gear speed reducer | |
| JP2003207553A | Magnetism detection device |