HY

Hozumi Yasuda

EB Ebara: 5 patents #13 of 266Top 5%
Overall (2002): #9,416 of 266,432Top 4%
5
Patents 2002

Issued Patents 2002

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6443821 Workpiece carrier and polishing apparatus having workpiece carrier Norio Kimura 2002-09-03
6435949 Workpiece polishing apparatus comprising a fluid pressure bag provided between a pressing surface and the workpiece and method of use thereof Seiji Katsuoka, Tadakazu Sone, Shunichiro Kojima, Manabu Tsujimura 2002-08-20
6432258 Apparatus for and method of polishing workpiece Norio Kimura 2002-08-13
6428403 Polishing apparatus Norio Kimura 2002-08-06
6416384 Method and apparatus for polishing Takayoshi Kawamoto, Norio Kimura, Hiroshi Yoshida 2002-07-09