Ichikawa; Syuji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ichikawa; Syuji.The latest application filed is for "ink composition for aqueous ink ball point pen and aqueous ink ball point pen".
- Ichikawa; Syuji - Yokohama N/A JP
- Ichikawa; Syuji - Yokohama-shi JP
- Ichikawa, Syuji - Ibaraki JP
| Patent | Date |
|---|---|
| Ink composition for aqueous ink ball point pen and aqueous ink ball point pen Grant 8,562,235 - Toomi , et al. October 22, 2 | 2013-10-22 |
| Ink Composition For Aqueous Ink Ball Point Pen And Aqueous Ink Ball Point Pen App 20120251222 - Toomi; Hideaki ; et al. | 2012-10-04 |
| Refill for oil-based ink ballpoint pen and oil-based ink ballpoint pen Grant 6,945,726 - Ichikawa , et al. September 20, 2 | 2005-09-20 |
| Refill for oil-based ink ballpoint pen and oil-based ink ballpoint pen App 20050123341 - Ichikawa, Syuji ; et al. | 2005-06-09 |
| Process for producing 1H-3-aminopyrrolidine and derivatives thereof App 20020042523 - Watanabe, Michi ; et al. | 2002-04-11 |
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