TT

Takeharu Tsutsumi

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Overall (All Time): #877,181 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
RE38807 High pressure discharge lamp, with tungsten electrode and lighting optical apparatus and image display system using the same Nobuyosi Takeuti, Yoshiki Kitahara 2005-10-04
6897613 Discharge lamp, light source and projecting display unit Mitsuhiro Wada, Suguru Nakao, Toshiaki Ogura 2005-05-24
6559600 Discharge lamp, light source and projecting display unit Mitsuhiro Wada, Suguru Nakao, Toshiaki Ogura 2003-05-06
6479946 Method and system for driving high pressure mercury discharge lamp, and image projector Makoto Kai, Makoto Horiuchi, Mamoru Takeda, Toshiaki Ogura 2002-11-12
6232720 High-pressure mercury vapor discharge lamp Yoshiki Kitahara, Nobuyosi Takeuti 2001-05-15
6211616 High pressure discharge lamp, with tungsten electrode and lighting optical apparatus and image display system using the same Nobuyosi Takeuti, Yoshiki Kitahara 2001-04-03