Guglielmo Marconi an Italian Inventor is widely believed to have invented the radiotelegraph for which he won the Nobel prize for Physics in 1909.
Jagadish Chandra Bose had conducted the public demonstration of the technology at Kolakata in 1895 while Marconi's wireless signaling experiment in England was on May 1897.
Bose was never particularly interested in patenting his inventions.
Bose’s has now been credited with the invention of the first wireless detection device and millimeter length electromagnetic waves and is now considered a pioneer in the field of biophysics.