| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 6 | |
| #2 | United States | 2 | |
| #3 | Austria | 1 | |
| #4 | Germany | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Dynamo-electric machines | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hayasaka Enakichi | 10 |
| Publication | Filing date | Title |
|---|---|---|
| JPH02237103A | Manufacture of ferrite-based large-sized permanent magnet | |
| JPH02240458A | Heat resisting non-poisonous gasket | |
| JPS63206144A | Magnetically controllable pole induction generator | |
| JPS6043052A | Magnetic control homogeneity polarity pole induction generator | |
| US4109545A | Noiseless spur gears | |
| JPS5250444A | Noiseless geared aparatus | |
| JPS5232516A | Ac generator magnetic adjusting with the same polarized |