YA

Yuji Akiyama

Canon: 5 patents #142 of 2,554Top 6%
SO Sony: 2 patents #334 of 2,293Top 15%
Overall (2003): #3,403 of 273,478Top 2%
7
Patents 2003

Issued Patents 2003

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6655773 Gray scale pattern and recording method and recording apparatus employing the gray scale pattern Fumihiro Gotoh, Hiroshi Tajika, Toshiharu Inui, Miyuki Fujita 2003-12-02
6636476 Optical recording medium with a substrate of two different resin layers Nobuyuki Arakawa, Toshiyuki Kashiwagi 2003-10-21
6582050 Ink jet printing apparatus, calibration method and calibration chart printing method 2003-06-24
6574010 Image processing apparatus and method Nobuo Ohnuma, Takatoshi Ohta, Yoko Hirosugi, Takahiro Moro, Masahiro Nagatani +1 more 2003-06-03
6540327 Recording head capable of discharging a plurality of a ink having different desities and ink jet recording method and ink jet recording apparatus which use such a recording head Hiromitsu Hirabayashi, Toshio Kashino, Hitoshi Sugimoto, Miyuki Matsubara, Fumihiro Gotoh +1 more 2003-04-01
6540326 Ink jet recording apparatus and method capable of increasing density Miyuki Matsubara, Naoji Otsuka, Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Atsushi Arai +3 more 2003-04-01
6524418 Method of production of multilayer optical recording medium Takeshi Yamasaki, Tomomi Yukumoto, Toshiyuki Kashiwagi, Eijiro Kikuno 2003-02-25