HD

Hiroyuki Doi

Sumitomo Electric Industries: 4 patents #212 of 4,178Top 6%
HI Hitachi: 1 patents #1,316 of 3,771Top 35%
TT Toshiba Lighting & Technology: 1 patents #11 of 40Top 30%
Overall (2004): #5,956 of 270,089Top 3%
6
Patents 2004

Issued Patents 2004

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6818077 High-strength Ni-base superalloy and gas turbine blades Akira Yoshinari, Hideki Tamaki 2004-11-16
6784520 Semiconductor devices constitute constant voltage devices used to raise internal voltage 2004-08-31
6773992 Method for fabricating nonvolatile-semiconductor memory device 2004-08-10
6753222 Method of manufacturing semiconductor device Ken Mimuro, Yasushi Okuda 2004-06-22
6700332 Electrodeless discharge lamp system Ichiro Yokozeki, Takashi Terai, Ioshiya Suzuki, Masaaki Kawamura 2004-03-02
6686641 Semiconductor device and method for driving the same Hirotsugu Honda, Katsujirou Arai, Takuo Akashi, Naritsugu Yoshii 2004-02-03