KK

Katsuyoshi Kojima

DI Disco: 3 patents #189 of 708Top 30%
TC Toshiba Ceramics Co.: 3 patents #54 of 458Top 15%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #806,777 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11612979 Polishing pad Arisa Kuroda 2023-03-28
9994739 Polishing liquid and method of polishing SiC substrate Takeshi Sato 2018-06-12
9761454 Method of polishing SiC substrate Takeshi Sato 2017-09-12
6976908 Polishing head and polishing apparatus Takayuki Masunaga, Shinobu Oofuchi, Hiromichi Isogai 2005-12-20
6668662 Viscoelasticity measuring device Hiromichi Isogai, Takayuki Masunaga 2003-12-30
6517422 Polishing apparatus and method thereof Takao Sakamoto, Shinya Kawamoto, Katsuaki Kotari, Masayoshi Saitou, Yoshihiko Hoshi 2003-02-11