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Patent applications and USPTO patent grants for Sugimoto; Yasuyuki.The latest application filed is for "oil-based ball-point pen refill, oil-based ball-point pen, and oil-based ball-point pen ink composition".
Patent | Date |
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Oil-based ball-point pen refill, oil-based ball-point pen, and oil-based ball-point pen ink composition Grant 10,087,337 - Shiobara , et al. October 2, 2 | 2018-10-02 |
Oil-based Ball-point Pen Refill, Oil-based Ball-point Pen, And Oil-based Ball-point Pen Ink Composition App 20160177114 - SHIOBARA; Akihiro ;   et al. | 2016-06-23 |
Water based ink composition for rollerball pen Grant 7,497,902 - Sugimoto March 3, 2 | 2009-03-03 |
Water based ink composition for rollerball pen App 20070204761 - Sugimoto; Yasuyuki | 2007-09-06 |
Ballpoint pen containing an aqueous ink composition Grant 5,609,432 - Yamamoto , et al. March 11, 1 | 1997-03-11 |
Method of refining beet juice Grant 4,264,373 - Shinbori , et al. April 28, 1 | 1981-04-28 |
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