Keiji Nakamura

Person

Inba-gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Sliding contact material, clad composite material, and motor
- Patent number 8,330,320
- Issue date Dec 11, 2012
- Mabuchi Motor Co., Ltd.
- Keiji Nakamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Commutator and brush materials for small electric motor, clad compo...
- Patent number 7,876,017
- Issue date Jan 25, 2011
- Mabuchi Motor Co., Ltd.
- Keiji Nakamura
- C21 - METALLURGY OF IRON
Information Patent Grant
Material for sliding contacts, clad composite material and small-si...
- Patent number 7,160,632
- Issue date Jan 9, 2007
- Mabuchi Motor Co., Ltd.
- Keiji Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sliding contact material comprising Ag-Ni based alloy having Ni met...
- Patent number 6,638,334
- Issue date Oct 28, 2003
- Mabuchi Motor Co., Ltd.
- Keiji Nakamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Material for sliding contact, composite clad material, and small-si...
- Patent number 6,245,166
- Issue date Jun 12, 2001
- Mabuchi Motor Co., Ltd.
- Isao Shibuya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ag-Cu alloy for a sliding contact
- Patent number 5,972,131
- Issue date Oct 26, 1999
- Tanaka Kikinzoku Kogyo K.K.
- Takao Asada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
ROTOR AND MOTOR
- Publication number 20210218320
- Publication date Jul 15, 2021
- MABUCHI MOTOR CO., LTD.
- Yasuhiro HASHIMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SLIDING CONTACT MATERIAL, CLAD COMPOSITE MATERIAL, AND MOTOR
- Publication number 20100308688
- Publication date Dec 9, 2010
- KEIJI NAKAMURA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Commutator and brush materials for small electric motor, clad compo...
- Publication number 20060255680
- Publication date Nov 16, 2006
- Keiji Nakamura
- C21 - METALLURGY OF IRON
Information Patent Application
Material for sliding contacts, clad composite material and small-si...
- Publication number 20050116576
- Publication date Jun 2, 2005
- Mabuchi Motor Co., Ltd.
- Keiji Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Sliding contact material comprising ag-ni based alloy having ni met...
- Publication number 20030061903
- Publication date Apr 3, 2003
- Keiji Nakamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Keiji Nakamura

Person

Patents Grantslast 30 patents

Sliding contact material, clad composite material, and motor

Commutator and brush materials for small electric motor, clad compo...

Material for sliding contacts, clad composite material and small-si...

Sliding contact material comprising Ag-Ni based alloy having Ni met...

Material for sliding contact, composite clad material, and small-si...

Ag-Cu alloy for a sliding contact

Patents Applicationslast 30 patents

ROTOR AND MOTOR

SLIDING CONTACT MATERIAL, CLAD COMPOSITE MATERIAL, AND MOTOR

Commutator and brush materials for small electric motor, clad compo...

Material for sliding contacts, clad composite material and small-si...

Sliding contact material comprising ag-ni based alloy having ni met...