| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 15 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Thermal processes | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Rotary-pistons | |
| #2 | Rotary pistons | |
| #3 | Heat-exchange device details | |
| #4 | Shafts | |
| #5 | Forging | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ko Fuseki | 14 |
| #2 | Hwang Kwangseon | 6 |
| #3 | Yoneda Naotake | 2 |
| #4 | Tsuruta Susumu | 1 |
| #5 | Sasano Hisatomo | 1 |
| #6 | Kato Masahiko | 1 |
| #7 | Suzuki Toshiyuki | 1 |
| #8 | Watanabe Kimio | 1 |
| #9 | Suematsu Hayami | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2013174241A | Scroll fluid machine | |
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| JP2012167674A | Scroll fluid machine | |
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| JP2009293420A | Scroll fluid machine | |
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