Sugiyama Electron Co., Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sugiyama Electron Co., Ltd..The latest application filed is for "game machine controller".
- Sugiyama Electron Co., Ltd. - JP JP
| Patent | Date |
|---|---|
| Game machine controller Grant 5,738,352 - Ohkubo , et al. April 14, 1 | 1998-04-14 |
| Game machine controller Grant 5,624,117 - Ohkubo , et al. April 29, 1 | 1997-04-29 |
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