Mitsumasa Iijima

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Metallic powder-molded body, re-compacted body of the molded body,...
- Patent number 6,905,530
- Issue date Jun 14, 2005
- Unisia Jecs Corporation
- Takashi Yoshimura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Iron-based sintered powder metal body, manufacturing method thereof...
- Patent number 6,696,014
- Issue date Feb 24, 2004
- JFE Steel Corporation
- Naomichi Nakamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Iron-based sintered powder metal body, manufacturing method thereof...
- Patent number 6,514,307
- Issue date Feb 4, 2003
- Kawasaki Steel Corporation
- Naomichi Nakamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metallic powder molding material and its re-compression molded body...
- Patent number 6,503,443
- Issue date Jan 7, 2003
- Unisia Jecs Corporation
- Takashi Yoshimura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of forging raw material for sintering and forging
- Patent number 6,454,991
- Issue date Sep 24, 2002
- Unisa Jecs Corporation
- Takashi Yoshimura
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Outer joint part of a constant velocity ball joint
- Patent number 6,146,281
- Issue date Nov 14, 2000
- Unisia Jecs Corporation
- Mitsumasa Iijima
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus for forming a cup-shaped cage
- Patent number 5,970,776
- Issue date Oct 26, 1999
- Unisia Jecs Corporation
- Mitsumasa Iijima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Universal joint
- Patent number 5,885,162
- Issue date Mar 23, 1999
- Unisia Jecs Corporation
- Masao Sakamoto
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Production method of high density iron based forged part
- Publication number 20030215349
- Publication date Nov 20, 2003
- HITACHI UNISIA AUTOMOTIVE, LTD.
- Naomichi Nakamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Iron-based sintered powder metal body, manufacturing method thereof...
- Publication number 20030143097
- Publication date Jul 31, 2003
- Kawasaki Steel Corporation
- Naomichi Nakamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Metallic powder-molded body, re-compacted body of the molded body,...
- Publication number 20020159908
- Publication date Oct 31, 2002
- UNISIA JECS CORPORATION
- Takashi Yoshimura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method of forging raw material for sintering and forging
- Publication number 20020051725
- Publication date May 2, 2002
- UNISIA JECS CORPORATION
- Takashi Yoshimura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Iron-based sintered powder metal body, manufacturing method thereof...
- Publication number 20020048526
- Publication date Apr 25, 2002
- Kawasaki Steel Corporation
- Naomichi Nakamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Mitsumasa Iijima

Person

Patents Grantslast 30 patents

Metallic powder-molded body, re-compacted body of the molded body,...

Iron-based sintered powder metal body, manufacturing method thereof...

Iron-based sintered powder metal body, manufacturing method thereof...

Metallic powder molding material and its re-compression molded body...

Method of forging raw material for sintering and forging

Outer joint part of a constant velocity ball joint

Apparatus for forming a cup-shaped cage

Universal joint

Patents Applicationslast 30 patents

Production method of high density iron based forged part

Iron-based sintered powder metal body, manufacturing method thereof...

Metallic powder-molded body, re-compacted body of the molded body,...

Method of forging raw material for sintering and forging

Iron-based sintered powder metal body, manufacturing method thereof...