Katou; Naohiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Katou; Naohiro.The latest application filed is for "writing tool refill and writing tool using same".
- Katou; Naohiro - Yokohama JP
- Katou; Naohiro - Yokohama-shi JP
- Katou; Naohiro - Daito N/A JP
- KATOU; Naohiro - Daito-shi JP
| Patent | Date |
|---|---|
| Writing tool refill and writing tool using same Grant 10,569,596 - Ikai , et al. Feb | 2020-02-25 |
| Writing Tool Refill And Writing Tool Using Same App 20180236807 - Ikai; Takayuki ; et al. | 2018-08-23 |
| Communication apparatus Grant 8,508,948 - Katou August 13, 2 | 2013-08-13 |
| Communication Apparatus App 20120106106 - KATOU; Naohiro | 2012-05-03 |
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