Ugajin; Makoto
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ugajin; Makoto.The latest application filed is for "water-based ink composition and marking pen".
- Ugajin; Makoto - Tokyo JP
- Ugajin; Makoto - Shinjuku-ku JP
| Patent | Date |
|---|---|
| Water-based ink composition and marking pen Grant 9,617,436 - Tsujimoto , et al. April 11, 2 | 2017-04-11 |
| W/O-type emulsion ink composition for writing utensil and writing utensil Grant 8,784,546 - Ugajin , et al. July 22, 2 | 2014-07-22 |
| Water-based Ink Composition And Marking Pen App 20140186093 - TSUJIMOTO; Mayuko ; et al. | 2014-07-03 |
| W/o-type Emulsion Ink Composition For Writing Utensil And Writing Utensil App 20130200307 - Ugajin; Makoto ; et al. | 2013-08-08 |
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