Riichiro Aoki has been granted 10 US patents while listed as an inventor at Ebara . The first was granted in 1997 and the most recent in May 2010. Riichiro Aoki ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Riichiro Aoki in Tokyo, JP.
Patents per Year Patents granted per year, 1997 to 2010 Bar chart with a peak of 3 patents in 1998. peak 3 1997: 1 patents 1997 1998: 3 patents 1998 2001: 1 patents 2001 2002: 1 patents 2002 2003: 1 patents 2003 2006: 1 patents 2006 2007: 1 patents 2007 2010: 1 patents 2010
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date
7708618 Method and apparatus for dry-in, dry-out polishing and washing of a semiconductor device Hiromi Yajima , Yukio Imoto , Shoichi Kodama , Takashi Omichi , Toyomi Nishi +1 more 2010-05-04
7198552 Polishing apparatus Toyomi Nishi , Tetsuji Togawa , Harumitsu Saito , Manabu Tsujimura , Hiromi Yajima +7 more 2007-04-03
6997782 Polishing apparatus and a method of polishing and cleaning and drying a wafer Toyomi Nishi , Tetsuji Togawa , Harumitsu Saito , Manabu Tsujimura , Hiromi Yajima +7 more 2006-02-14
6595220 Apparatus for conveying a workpiece Toshiro Maekawa , Satomi Hamada , Shoichi Kodama , Hiromi Yajima 2003-07-22
6500051 Polishing apparatus and method Toyomi Nishi , Tetsuji Togawa , Harumitsu Saito , Manabu Tsujimura , Hiromi Yajima +7 more 2002-12-31
6221171 Method and apparatus for conveying a workpiece Toshiro Maekawa , Satomi Hamada , Shoichi Kodama , Hiromi Yajima 2001-04-24
5846335 Method for cleaning workpiece Toshiro Maekawa , Koji Ono , Motoaki Okada , Tamami Takahashi , Shiro Mishima +3 more 1998-12-08
5827110 Polishing facility Hiromi Yajima , Yukio Imoto , Shoichi Kodama , Takashi Omichi , Toyomi Nishi +1 more 1998-10-27
5704827 Polishing apparatus including cloth cartridge connected to turntable Toyomi Nishi , Manabu Tsujimura , Tamami Takahashi , Hiromi Yajima , Yukio Imoto +4 more 1998-01-06
5679059 Polishing aparatus and method Toyomi Nishi , Tetsuji Togawa , Harumitsu Saito , Manabu Tsujimura , Hiromi Yajima +7 more 1997-10-21
