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Takeo Nakagawa
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Patents Grants
last 30 patents
Information
Patent Grant
Combined cutting and grinding tool
Patent number
6,224,469
Issue date
May 1, 2001
The Institute of Physical and Chemical Research
Hitoshi Ohmori
B24 - GRINDING POLISHING
Information
Patent Grant
Optical formation device and method
Patent number
6,180,050
Issue date
Jan 30, 2001
The Institute of Physical and Chemical Research
Mahito Arai
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Optical dressing method, machining device based on this method, gri...
Patent number
6,126,523
Issue date
Oct 3, 2000
The Institute of Physical and Chemical Research
Sei Moriyasu
B24 - GRINDING POLISHING
Information
Patent Grant
Method of high speed cutting mold and ultra-high speed milling machine
Patent number
5,919,012
Issue date
Jul 6, 1999
The Institute of Physical and Chemical Research (RIKEN)
Takeo Nakagawa
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of controlling shape and NC processing apparatus utilizing t...
Patent number
5,910,040
Issue date
Jun 8, 1999
The Institute of Physical and Chemical Research
Sei Moriyasu
G05 - CONTROLLING REGULATING
Information
Patent Grant
Apparatus for solidifying and shaping optically cured fluid by carr...
Patent number
5,780,070
Issue date
Jul 14, 1998
Institute of Physical and Chemical Research (RIKEN)
Kenji Yamazawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL