Inventor
TOHMON GENJI
US8 patents
⚠️ This page may combine multiple inventors who share the name “TOHMON GENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
7 patentsUS6406196B1Jun 18, 2002
Optical device and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD156 citations98
US6517257B2Feb 11, 2003
Optical transmitter/receiver apparatus, method for fabricating the same and optical semiconductor module
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92
US6332719B1Dec 25, 2001
Optical transmitter/receiver apparatus, method for fabricating the same and optical semiconductor module
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations92
US5659558AAug 19, 1997
Short-wavelength laser element doped with rare earth ions, optical amplifier doped with rare earth ions, and wavelength converter doped with rare earth ions
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations92
US5426656AJun 20, 1995
Laser element doped with rare earth ions, optical amplifier element doped with rare earth ions and rare-earth-ion-doped short-wavelength laser light source apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US5341237AAug 23, 1994
Rare earth ion doped optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations73
US5321708AJun 14, 1994
Optical fiber amplifier doped with dysprosium ion for the 1.3 μm wavelength band
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations73