Nippon Selfoc Co Ltd
Nippon SelActive Patents
0
Total Holdings
16
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| JPS5454650A | Wavelength variable filter for optical beam | Expired / Lapsed | 1977-10-11 | — | 0 | Details |
| GB1268855A | Optical image transmitting apparatus | Expired / Lapsed | 1969-08-18 | — | 0 | Details |
| FR2015446A1 | FR2015446A1 - - Google Patents | Expired / Lapsed | 1969-08-11 | — | 0 | Details |
| GB1269102A | Improvements relating to faraday-effect elements | Expired / Lapsed | 1969-07-03 | — | 0 | Details |
| US4003074A | Hermetically-sealed injection semiconductor laser device | Expired / Lapsed | 1974-10-29 | 1977-01-11 | 6 | Details |
| US3894857A | Process for exchanging alkali ions for thallium ions in a g… | Expired / Lapsed | 1974-01-23 | 1975-07-15 | 4 | Details |
| US3875532A | Semiconductor laser device having a light focusing transmis… | Expired / Lapsed | 1973-12-26 | 1975-04-01 | 20 | Details |
| US3856494A | Light-conducting glass structures made by vaporization | Expired / Lapsed | 1972-06-05 | 1974-12-24 | 8 | Details |
| US3830640A | Production of light-conducting glass structures with index … | Expired / Lapsed | 1972-12-04 | 1974-08-20 | 9 | Details |
| US3827000A | Optical modulator | Expired / Lapsed | 1973-01-30 | 1974-07-30 | 2 | Details |
| US3801181A | Gradient index light conductor | Expired / Lapsed | 1971-12-07 | 1974-04-02 | 5 | Details |
| US3663822A | Multi-terminal optical cable utilizing a flexible graded op… | Expired / Lapsed | 1970-12-23 | 1972-05-16 | 11 | Details |
| US3655259A | Streoscopic microscope with graded index fiber objective le… | Expired / Lapsed | 1969-08-22 | 1972-04-11 | 6 | Details |
| US3633992A | Faraday-effect element | Expired / Lapsed | 1969-07-07 | 1972-01-11 | 5 | Details |
| US3625686A | Simultaneous photoprinting of a plurality of reduced images | Expired / Lapsed | 1969-08-19 | 1971-12-07 | 0 | Details |
| US3605013A | Current-measuring system utilizing faraday effect element | Expired / Lapsed | 1969-11-07 | 1971-09-14 | 6 | Details |