Udagawa; Yoshio
Patent Applications and Registrations
Patent applications and USPTO patent grants for Udagawa; Yoshio.The latest application filed is for "ultrasonic flaw detecting method and apparatus".
- Udagawa; Yoshio - Higashiosaka JP
- Udagawa; Yoshio - Mama-Ichikawa JP
- Udagawa; Yoshio - Ichikawa JP
- Udagawa; Yoshio - Icikawa-shi Chiba-Ken JP
- Udagawa; Yoshio - Mama Ichikawa-shi Chiba-ken JP
- Udagawa; Yoshio - Tokyo JP
| Patent | Date |
|---|---|
| Ultrasonic flaw detecting method and apparatus Grant 4,821,575 - Fujikake , et al. April 18, 1 | 1989-04-18 |
| Toy trackway Grant D300,644 - Udagawa April 11, 1 | 1989-04-11 |
| Toys Grant 4,708,685 - Udagawa November 24, 1 | 1987-11-24 |
| Toy trackway or similar article Grant D289,666 - Udagawa , et al. May 5, 1 | 1987-05-05 |
| Track toy Grant 4,609,363 - Udagawa September 2, 1 | 1986-09-02 |
| Toy vehicle track Grant D265,751 - Udagawa August 10, 1 | 1982-08-10 |
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