Sekizawa; Takao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sekizawa; Takao.The latest application filed is for "commodity sales system, used article quotation system, and corresponding methods".
- Sekizawa; Takao - Nagano-ken JP
| Patent | Date |
|---|---|
| Commodity sales system, used article quotation system, and corresponding methods Grant 7,725,380 - Oshima , et al. May 25, 2 | 2010-05-25 |
| Commodity sales system, used article quotation system, and corresponding methods App 20040138911 - Oshima, Yasuhiro ; et al. | 2004-07-15 |
| Used article quotation method and system App 20040117319 - Oshima, Yasuhiro ; et al. | 2004-06-17 |
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