| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 10 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United States | 2 | |
| #4 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tanaka Koichi | 12 |
| #2 | Tanaka Kouichi | 3 |
| #3 | Tanaka Kouichi Chubu Bearing S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPH0351508A | Inserting and removing device for e-shaped snap ring | |
| JPH02256472A | Fitting/removing device for e-type snap ring | |
| JPH02236012A | Fitting device for letter-e-shaped snap ring | |
| JPH02163505A | Laminating body of locating snap ring and using method thereof | |
| JPH02256907A | Retaining ring | |
| JPH0293110A | Retaining ring | |
| EP0342247A1 | Bearing | |
| JPS62177323A | One-way clutch | |
| JPS624933A | One-way clutch | |
| JPS61286625A | One-way clutch | |
| JPS6124819A | Bearing made of synthetic resin |