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Inventor: Takizawa; Tokuji
Address: Utsunomiya, JP
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7554709 |
Optical scanning apparatus and image forming apparatus employing this apparatus |
June 30, 2009 |
| An optical scanning apparatus including a light source, deflection unit configured to deflect a light flux emitted by the light source, a first optical system configured to condense a divergent light flux emitted by the light source, a second optical system configured to focus the de |
| 7542189 |
Light scanning apparatus and image forming apparatus using the light scanning apparatus |
June 2, 2009 |
| A light scanning apparatus including a semiconductor laser which emits a light beam having a wavelength equal to or less than 450 nm, an incidence optical system which makes the light beam, emitted from the semiconductor laser, incident on a deflector for scanning in deflection, an imagi |
| 7397590 |
Optical scanning apparatus and image forming apparatus employing this apparatus |
July 8, 2008 |
| At least one exemplary embodiment is directed to an optical scanning apparatus that employs a short wave light source to constantly maintain a spot having a tiny diameter, even when an environmental temperature change occurs, by employing a lens and/or a diffractive optical element. |
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