Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6902687 | OPTICALLY ACTIVE ISOSORBIDE DERIVATIVE AND OPTICALLY ACTIVE ISOMANNIDE DERIVATIVE, PRODUCTION METHODS THEREOF, PHOTO-REACTIVE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL COLOR FILTER, OPTICAL FILM AND RECORDING MEDIUM, METHOD FOR CHANGING HELICAL STRUCTURE OF LIQUID CRYSTAL AND METHOD FOR FIXING HELICAL STRUCTURE OF LIQUID CRYSTAL | Masatoshi Yumoto, Mitsuyoshi Ichihashi, Keiichiro Hayashi | 2005-06-07 |
| 6846540 | OPTICALLY ACTIVE POLYESTERAMIDES, PHOTOREACTIVE CHIRAL AGENTS, LIQUID CRYSTAL COMPOSITIONS, LIQUID CRYSTAL COLOR FILTERS, OPTICAL FILMS AND RECORDING MEDIA, AS WELL AS METHOD FOR CHANGING HELICAL STRUCTURE OF LIQUID CRYSTALS, AND METHOD FOR FIXING HELICAL STRUCTURE OF LIQUID CRYSTALS | Masatoshi Yumoto, Mitsuyoshi Ichihashi, Keiichiro Hayashi | 2005-01-25 |