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Patent applications and USPTO patent grants for Kumar; Bhadra Shyamal.The latest application filed is for "process of fabrication of erbium and ytterbium-co-doped multi-elements silica glass based cladding-pumped fiber".
Patent | Date |
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Process of fabrication of Erbium and Ytterbium-co-doped multi-elements silica glass based cladding-pumped fiber Grant 11,407,671 - Chandra , et al. August 9, 2 | 2022-08-09 |
Process Of Fabrication Of Erbium And Ytterbium-co-doped Multi-elements Silica Glass Based Cladding-pumped Fiber App 20190375672 - Chandra; Paul Mukul ;   et al. | 2019-12-12 |
Method of fabricating rare earth doped optical fibre App 20030182970 - Sen, Ranjan ;   et al. | 2003-10-02 |
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