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Patent applications and USPTO patent grants for Ohyama; Katsumi.The latest application filed is for "dispatch operation plan devising system and computer readable record medium storing a dispatch operation plan devising program".
Patent | Date |
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Dispatch operation plan devising system and computer readable record medium storing a dispatch operation plan devising program Grant 7,028,887 - Chigira , et al. April 18, 2 | 2006-04-18 |
Dispatch operation plan devising system and computer readable record medium storing a dispatch operation plan devising program App 20040217162 - Chigira, Kenichi ;   et al. | 2004-11-04 |
Operation plan devising system, operation plan devising apparatus and computer readable record medium storing an operation plan devising program App 20040158539 - Akita, Masayuki ;   et al. | 2004-08-12 |
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