YY

Yasutaka Yamaguchi

AC Amada Co.: 2 patents #134 of 479Top 30%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
NC Nidec Copal: 2 patents #55 of 172Top 35%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #746,401 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8197150 Focal plane shutter for digital cameras Hiroshi Miyazaki, Shigemi Takahashi 2012-06-12
7699544 Focal plane shutter for cameras Nobuyoshi Inoue 2010-04-20
5676364 Plate material separating apparatus Takuma Shiiki 1997-10-14
5622362 Plate material separating apparatus Takuma Shiiki 1997-04-22
5539909 Negotiation method for calling procedures located within other objects without knowledge of their calling syntax Tetsuo Tanaka, Hiroshi Tomita 1996-07-23
4791554 Method and apparatus for preventing deadlock in a data base management system Atsuhiko Hirota, Takashi Owaki, Toshihiro Hayashi 1988-12-13
4682402 Semiconductor device comprising polycrystalline silicon resistor element 1987-07-28