Yamada; Toyotaka
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yamada; Toyotaka.The latest application filed is for "photometer having asymmetrical aperture and with compensation for direction of incidence".
- Yamada; Toyotaka - Hino JP
| Patent | Date |
|---|---|
| Photometer having asymmetrical aperture and with compensation for direction of incidence Grant 4,391,521 - Imai , et al. July 5, 1 | 1983-07-05 |
| Suspension strap fastener for camera Grant 4,247,028 - Maitani , et al. January 27, 1 | 1981-01-27 |
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