Membership
Tour
Register
Log in
Yasuyoshi Kuroda
Follow
Person
Fukushima, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for wafer chamfer polishing
Patent number
6,234,879
Issue date
May 22, 2001
Shin-Etsu Handotai Co., Ltd.
Fumihiko Hasegawa
B24 - GRINDING POLISHING
Information
Patent Grant
Apparatus for polishing peripheral portion of wafer
Patent number
5,928,066
Issue date
Jul 27, 1999
Shin-Etsu Handotai Co., Ltd.
Fumihiko Hasegawa
B24 - GRINDING POLISHING
Information
Patent Grant
Wafer processing method and equipment therefor
Patent number
5,882,539
Issue date
Mar 16, 1999
Shin-Etsu Handotai Co., Ltd.
Fumihiko Hasegawa
B24 - GRINDING POLISHING
Information
Patent Grant
Apparatus for polishing peripheral portion of wafer
Patent number
5,766,065
Issue date
Jun 16, 1998
Shin-Etsu Handotai Co., Ltd.
Fumihiko Hasegawa
B24 - GRINDING POLISHING
Information
Patent Grant
Apparatus for polishing the notch of a wafer
Patent number
5,733,181
Issue date
Mar 31, 1998
Shin-Etsu Handotai Co., Ltd.
Fumihiko Hasegawa
B24 - GRINDING POLISHING
Information
Patent Grant
Method for mirror-polishing chamfered portion of wafer and mirror-p...
Patent number
5,727,990
Issue date
Mar 17, 1998
Shin-Etsu Handotai Co., Ltd.
Fumihiko Hasegawa
B24 - GRINDING POLISHING
Information
Patent Grant
Method and apparatus for wafer chamfer polishing
Patent number
5,547,415
Issue date
Aug 20, 1996
Shin-Etsu Handotai Co., Ltd.
Fumihiko Hasegawa
B24 - GRINDING POLISHING
Information
Patent Grant
Apparatus for bevelling wafer-edge
Patent number
5,538,463
Issue date
Jul 23, 1996
Shin-Etsu Handotai Co., Ltd.
Fumihiko Hasegawa
B24 - GRINDING POLISHING
Information
Patent Grant
Apparatus for polishing the periphery portion of a wafer
Patent number
5,476,413
Issue date
Dec 19, 1995
Shin-Etsu Handotai Co., Ltd.
Fumihiko Hasegawa
B24 - GRINDING POLISHING
Information
Patent Grant
Wafer chamfer polishing apparatus with rotary circular dividing table
Patent number
5,404,678
Issue date
Apr 11, 1995
Fumihiko Hasegawa
B24 - GRINDING POLISHING