TT

Takeshi Takezawa

SE Seiko Epson: 7 patents #39 of 1,442Top 3%
Overall (2011): #7,141 of 364,097Top 2%
7
Patents 2011

Issued Patents 2011

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8076861 Driving method and driving device for discharge lamp, light source device, and image display device Tetsuo Terashima, Kentaro Yamauchi, Kazuo Okawa 2011-12-13
8042953 Projector using ballast controlled high-pressure discharge lamps 2011-10-25
8044602 Method of driving discharge lamp, driving device, and projector Kentaro Yamauchi 2011-10-25
8044613 Discharge lamp lighting device, control method thereof, and projector Kazuo Okawa, Kentaro Yamauchi, Tetsuo Terashima 2011-10-25
7999490 Light source, projector, and method for driving light source Tetsuo Terashima, Kentaro Yamauchi, Kazuo Okawa, Keishi Kimura 2011-08-16
7972013 Light source having a holding unit with air supply port for cooling air and projector Shigeyasu Soma 2011-07-05
7946715 Light source and projector Kentaro Yamauchi, Tetsuo Terashima, Kazuo Okawa, Keishi Kimura 2011-05-24