HARUHARA; Yumiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for HARUHARA; Yumiko.The latest application filed is for "oil-based ink composition for writing utensils, writing utensil using same, and airbrush unit using same".
- HARUHARA; Yumiko - Shinagawa-ku Tokyo
- Haruhara; Yumiko - Kanagawa JP
- HARUHARA; Yumiko - Yokohama-shi Kanagawa
| Patent | Date |
|---|---|
| Oil-based Ink Composition For Writing Utensils, Writing Utensil Using Same, And Airbrush Unit Using Same App 20220017760 - IKAI; Takayuki ; et al. | 2022-01-20 |
| Oil-based Ink Composition For Writing Implements App 20210147699 - Haruhara; Yumiko | 2021-05-20 |
| Oil-based Ink Composition For Writing Instrument App 20200190346 - HARUHARA; Yumiko | 2020-06-18 |
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