KK

Keiichi Kajiyama

DI Disco: 14 patents #41 of 708Top 6%
DS Disco Abrasive Systems: 1 patents #7 of 13Top 55%
Overall (All Time): #324,693 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8415232 Dividing method for wafer having die bonding film attached to the back side thereof Takatoshi Masuda 2013-04-09
8268656 Optical device wafer processing method 2012-09-18
8025556 Method of grinding wafer Takatoshi Masuda, Shinya Watanabe, Setsuo Yamamoto 2011-09-27
7858530 Processing method for wafer and processing apparatus therefor Takatoshi Masuda 2010-12-28
7858496 Wafer processing method Azumi Kondo 2010-12-28
7816264 Wafer processing method Kazuhisa Arai 2010-10-19
7718511 Processing method for wafer Takatoshi Masuda 2010-05-18
7677955 Grinding method for wafer Takatoshi Masuda, Shinya Watanabe, Shigehiko Aoki, Hirotoshi Hoshikawa, Yoshikazu Kobayashi +2 more 2010-03-16
7629230 Wafer processing method Kazuma Sekiya 2009-12-08
7625810 Wafer processing method Koichi Kondo, Yasuomi Kaneuchi 2009-12-01
7527547 Wafer processing method Tadato Nagasawa 2009-05-05
6939785 Process for manufacturing a semiconductor chip Kentaro Odanaka 2005-09-06
6306274 Method for making electrodeposition blades 2001-10-23
6171176 Method of effecting a precision saw-toothed grinding on the surface of a given workpiece Kazuma Sekiya 2001-01-09
4547998 Electrodeposited grinding tool 1985-10-22