patents
patents
Inventor: Bishwajit Ganguly, Parimal Paul and Pabitra Baran Chaterjee.
Patent No: IN201711007872
Inventor: Bishwajit Ganguly and Ajeet Sing
Patent No:IN579/DEL/2010,WO201111,AU2011225811(B2),CN102791623(B),EP2544995(B1), JP5833579(B2),US9056775(B2)
Inventor: Bishwajit Ganguly, Mrinal Kanti si, Sumit Kumar pramanik and Shibaji Ghosh
IN201811025105