TT

Takashi Tsukahara

PA Panasonic: 20 patents #998 of 21,108Top 5%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
SH Showa: 5 patents #38 of 337Top 15%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
IC Idemitsu Petrochemical Co.: 1 patents #305 of 578Top 55%
Overall (All Time): #103,319 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
D688724 Projector Sadayoshi Azuma, Keiji Yuyama, Ippei Ohashi, Hiroshi Chino, So Suzuki +2 more 2013-08-27
D578537 Personal computer 2008-10-14
D574382 Personal computer 2008-08-05
D557318 LCD video projector Hiroaki Nishimura 2007-12-11
D545865 LCD video projector Sadayoshi Azuma 2007-07-03
D542828 LCD video projector 2007-05-15
D476638 Combined digital video disc player with video game player, radio tuner and digital audio disc player 2003-07-01
5504187 Polymer granules containing little residual solvent Noriyuki Kunishi, Masahiro Okamura, Masahiro Takahashi 1996-04-02
4879639 Power converter for driving an AC motor at a variable speed 1989-11-07