| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 10 | |
| #2 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement | |
| #3 | Materials and metallurgy | |
| #4 | Machines | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Magnets and transformers | |
| #2 | Unspecified technologies | |
| #3 | Electrical vehicle propulsion | |
| #4 | Alloys | |
| #5 | Analysing materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nishikawa Takeo | 11 |
| #2 | Sumizaki Kimimasa | 1 |
| #3 | Sumizaki Futoshi | 1 |
| #4 | Norioka Shigemi | 1 |
| #5 | Morimura Takao | 1 |
| #6 | Aoyama Shigeru | 1 |
| #7 | Wazawa Tetsuichi | 1 |
| #8 | Matsushita Tomohiko | 1 |
| #9 | Watanabe Susumu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2006290454A | Pump exclusively used for creamy material | |
| JPH10270236A | Binder less permanent magnet | |
| JPH10158774A | Low melting gallium alloy | |
| JPH08326926A | Magnetic fluid shaft seal | |
| JPH08273920A | Preparation of magnetic fluid | |
| JPH06292771A | Shaving device | |
| JPH02133002A | Collector | |
| JPS61244004A | Magnetic fluid | |
| JPS61112307A | Manufacture of magnetic fluid | |
| JPS60177098A | Magnetic fluid |