Ryuji Ninomiya

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Ageo-shi, Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Abrasion resistant copper alloy, copper alloy powder for build-up c...
- Patent number 6,531,003
- Issue date Mar 11, 2003
- Mitsui Mining & Smelting Co., Ltd.
- Ryuji Ninomiya
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lead-free tin-silver-based soldering alloy
- Patent number 5,993,736
- Issue date Nov 30, 1999
- Mitsui Mining & Smelting Co., Ltd.
- Junichi Matsunaga
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Tin-silver-based soldering alloy
- Patent number 5,958,333
- Issue date Sep 28, 1999
- Mitsui Mining & Smelting Co., Ltd.
- Junichi Matsunaga
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Abrasion resistant copper alloy
- Patent number 5,911,949
- Issue date Jun 15, 1999
- Nissan Motor Co., Ltd.
- Ryuji Ninomiya
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lead-free tin-zinc-based soldering alloy
- Patent number 5,718,868
- Issue date Feb 17, 1998
- Mitsui Mining & Smelting Co., Ltd.
- Ryuji Ninomiya
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lead-free solder
- Patent number 5,658,528
- Issue date Aug 19, 1997
- Mitsui Mining & Smelting Co., Ltd.
- Ryuji Ninomiya
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Sn-ag based lead-free solder
- Publication number 20050199679
- Publication date Sep 15, 2005
- Yunosuke Nakahara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Tin-silver based soldering alloy utility
- Publication number 20010036420
- Publication date Nov 1, 2001
- MITSUI MINING & SMELTING COMPANY, LTD.
- Junichi Matsunaga
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ABRAION RESISTANT COPPER ALLOY, COPPER ALLOY POWDER FOR BUILD-UP CL...
- Publication number 20010001641
- Publication date May 24, 2001
- Ryuji Ninomiya
- RYUJI NINOMIYA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...