Shoji; Yukito
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shoji; Yukito.The latest application filed is for "erasable ink compositions".
- Shoji; Yukito - Suita JP
- Shoji; Yukito - Osaka JP
| Patent | Date |
|---|---|
| Erasable ink compositions Grant 5,120,359 - Uzukawa , et al. June 9, 1 | 1992-06-09 |
| Dual color ink composition Grant 4,604,139 - Shioi , et al. * August 5, 1 | 1986-08-05 |
| Writing implement containing dual color ink composition Grant 4,545,819 - Shioi , et al. October 8, 1 | 1985-10-08 |
| Dual color ink composition Grant 4,490,177 - Shioi , et al. December 25, 1 | 1984-12-25 |
| Water base pigment ink composition for writing Grant 4,460,727 - Shoji July 17, 1 | 1984-07-17 |
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