| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 7 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | United States | 2 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Electrical machinery and energy | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Dynamo-electric machines | |
| #3 | Reduction of greenhouse gas emissions | |
| #4 | Springs | |
| #5 | Electric motor controls |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fukao Tadashi | 12 |
| #2 | Chiba Akira | 12 |
| #3 | Michioka Tsutomu | 6 |
| #4 | Michioka Chikara | 5 |
| #5 | Osawa Susumu | 3 |
| #6 | Sato Tadashi | 3 |
| #7 | Mori Satoshi | 3 |
| #8 | Oshima Masahide | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPH11218130A | Disc type rotating machine without bearing | |
| JPH11142104A | Radial direction rotor position estimation equipment of bearingless motor | |
| JPH09247897A | Disk type magnetic levitation rotating machine | |
| JPH09247898A | Magnetic levitation motor | |
| JPH08294248A | Electromagnetic rotating machine | |
| JPH08275595A | Variable speed generator motor | |
| JPH08275444A | Energy accumulation flywheel driving system |