Koizumi; Yasuyuki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koizumi; Yasuyuki.The latest application filed is for "silicon compound, liquid cystal composition and liquid crystal display".
- Koizumi; Yasuyuki - Chiba JP
- Koizumi; Yasuyuki - Ichihara JP
- Koizumi; Yasuyuki - Ichiharashi JP
| Patent | Date |
|---|---|
| Silicon compound, liquid crystal composition and liquid crystal display Grant 6,703,083 - Kato , et al. March 9, 2 | 2004-03-09 |
| Silicon compound, liquid cystal composition and liquid crystal display App 20030168632 - Kato, Takashi ; et al. | 2003-09-11 |
| Fluorine-substituted liquid-crystal compound, liquid-crystal composition and liquid-crystal display device Grant 6,051,288 - Kondo , et al. April 18, 2 | 2000-04-18 |
| Ester derivative, liquid crystal composition and liquid crystal display element Grant 5,755,994 - Kondo , et al. May 26, 1 | 1998-05-26 |
| Method for producing optically active endo-2-norborneols Grant 5,604,120 - Yano , et al. February 18, 1 | 1997-02-18 |
| Process for producing optically active 3-aminobutanoic acid and the ester intermediates Grant 5,518,903 - Yoshida , et al. May 21, 1 | 1996-05-21 |
| Process for producing an optically active 1,5-disubstituted-2,4-O-isopropylidene-2,4-dihydroxypentane Grant 5,449,793 - Miyazawa , et al. September 12, 1 | 1995-09-12 |
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