Koyokizai Co., Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koyokizai Co., Ltd..The latest application filed is for "blind bolt and blind nut".
- Koyokizai Co., Ltd. - JP JP
- Koyokizai Co., Ltd. -
| Patent | Date |
|---|---|
| Security nut and tool associated therewith Grant 7,219,582 - Ito May 22, 2 | 2007-05-22 |
| Blind bolt and blind nut App 20060182514 - Ito; Katsuo | 2006-08-17 |
| Security nut and tool associated therewith App 20060162507 - Ito; Katsuo | 2006-07-27 |
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