Ishibai; Isao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ishibai; Isao.The latest application filed is for "aspherical lens system for a bar code sensor".
- Ishibai; Isao - Tokyo JP
- Ishibai; Isao - Machida JP
- Ishibai; Isao - Toyko JP
| Patent | Date |
|---|---|
| Aspherical lens system for a bar code sensor Grant 5,166,830 - Ishibai , et al. November 24, 1 | 1992-11-24 |
| Aspherical glass lens element suitable for an object lens element of a disk device Grant 5,087,115 - Ishibai , et al. February 11, 1 | 1992-02-11 |
| Aspherical glass lens element suitable for a collimator lens Grant 5,020,888 - Ishibai , et al. June 4, 1 | 1991-06-04 |
| Aspherical glass lens element formed by a low dispersion glass material Grant 5,004,330 - Ishibai , et al. April 2, 1 | 1991-04-02 |
| Finite conjugation large-aperture lens with aspherical surfaces Grant 5,002,374 - Ishibai , et al. March 26, 1 | 1991-03-26 |
| Method and apparatus for testing aspherical lenses Grant 4,776,101 - Ishibai October 11, 1 | 1988-10-11 |
| Binocular optical system with automatic focusing mechanism Grant 4,650,297 - Ishibai March 17, 1 | 1987-03-17 |
| Binoculars housing Grant 4,436,386 - Ishibai , et al. March 13, 1 | 1984-03-13 |
| Eye span adjustment mechanism for binoculars Grant 4,284,325 - Ishibai , et al. August 18, 1 | 1981-08-18 |
| Binoculars with automatic focusing system Grant 4,262,988 - Ishibai , et al. April 21, 1 | 1981-04-21 |
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