Chihiro SAKURAZAWA

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Tsukuba-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Drill bit insert and drill bit
- Patent number 10,538,971
- Issue date Jan 21, 2020
- Mitsubishi Materials Corporation
- Wardoyo Akhmadi Eko
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit insert and drill bit
- Patent number 10,465,448
- Issue date Nov 5, 2019
- Mitsubishi Materials Corporation
- Wardoyo Akhmadi Eko
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary cutting tool including polycrystalline diamond material
- Patent number 10,399,153
- Issue date Sep 3, 2019
- Mitsubishi Materials Corporation
- Toshihiko Matsuo
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Drill bit button insert and drill bit
- Patent number 10,352,104
- Issue date Jul 16, 2019
- Mitsubishi Materials Corporation
- Wardoyo Akhmadi Eko
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
POLYCRYSTALLINE TUNGSTEN COMPACT, TUNGSTEN ALLOY COMPACT, AND METHO...
- Publication number 20180079002
- Publication date Mar 22, 2018
- MITSUBISHI MATERIALS CORPORATION
- Wardoyo AKHMADI EKO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
DRILL BIT INSERT AND DRILL BIT
- Publication number 20180080285
- Publication date Mar 22, 2018
- MITSUBISHI MATERIALS CORPORATION
- Wardoyo AKHMADI EKO
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT INSERT AND DRILL BIT
- Publication number 20180010395
- Publication date Jan 11, 2018
- MITSUBISHI MATERIALS CORPORATION
- Wardoyo AKHMADI EKO
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT BUTTON INSERT AND DRILL BIT
- Publication number 20170328136
- Publication date Nov 16, 2017
- MITSUBISHI MATERIALS CORPORATION
- Wardoyo AKHMADI EKO
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
ROTARY CUTTING TOOL INCLUDING POLYCRYSTALLINE DIAMOND MATERIAL
- Publication number 20170106454
- Publication date Apr 20, 2017
- MITSUBISHI MATERIALS CORPORATION
- Toshihiko MATSUO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR