| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Japan | 4 | |
| #3 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Consumer goods | |
| #3 | Environmental technology | |
| #4 | Electrical machinery and energy | |
| #5 | Audio-visual technology | |
| #6 | Optics | |
| #7 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yoda Mitsuhiro | 12 |
| #2 | Kawano Shuichi | 2 |
| #3 | Takagi Shigekazu | 2 |
| #4 | Yamazaki Seiji | 2 |
| Publication | Filing date | Title |
|---|---|---|
| JPH11277049A | Water tank equipped with purification bed | |
| JPH11188375A | Clarification apparatus | |
| JPH06125806A | Method and device for selecting supporting frame for jewel | |
| JPS62298305A | Linked jewery product and its production | |
| US4829787A | Ornamental article |