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Patent applications and USPTO patent grants for Hirahata; Shinichi.The latest application filed is for "exposure device having means for correcting intensity of laser beam dependent on variation in rotational speed of photosensitive member".
Patent | Date |
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Exposure device having means for correcting intensity of laser beam dependent on variation in rotational speed of photosensitive member Grant 5,311,216 - Hirahata , et al. May 10, 1 | 1994-05-10 |
Scanning exposure device provided with intensity correction to compensate for scan angle Grant 5,151,586 - Sato , et al. September 29, 1 | 1992-09-29 |
Magneto-optical recording medium having pairs of mutually corresponding recording segments, and apparatus for recording information on the medium Grant 4,807,204 - Mizutani , et al. February 21, 1 | 1989-02-21 |
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