Kei Tokumoto

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Die cut roll
- Patent number 6,279,443
- Issue date Aug 28, 2001
- Nippon Tungsten Co., Ltd.
- Kenji Nakahara
- B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

Information Patent Application
Shaping Tool and Methods of Using the Same
- Publication number 20090120155
- Publication date May 14, 2009
- NIPPON TUNGSTEN CO., LTD.
- Koki Minamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...