Akira Harayama

Person

Okaya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Composite chromium plating film and sliding member covered thereof
- Patent number 6,054,225
- Issue date Apr 25, 2000
- Teikoku Piston Ring Co., Ltd.
- Akira Harayama
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Composite chromium plating film and sliding member covered thereof
- Patent number 6,013,380
- Issue date Jan 11, 2000
- Teiko Piston Ring Co., Ltd.
- Akira Harayama
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Chromium alloy plating film, plating method thereof and member cove...
- Patent number 5,945,226
- Issue date Aug 31, 1999
- Teikoku Piston Ring Co., Ltd.
- Akira Harayama
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of manufacturing a side rail of a combined oil ring
- Patent number 5,469,616
- Issue date Nov 28, 1995
- Teikoku Piston Ring Co., Ltd.
- Satomichi Miyazaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Combined oil ring
- Patent number 5,295,696
- Issue date Mar 22, 1994
- Teikoku Piston Ring Co., Ltd.
- Akira Harayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Bearing member of an internal combustion engine, having a flame spr...
- Patent number 4,420,543
- Issue date Dec 13, 1983
- Toyota Jidosha Kogyo Kabushiki Kaisha
- Katsumi Kondo
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Vertical centering method and jig for plating
- Patent number 4,114,282
- Issue date Sep 19, 1978
- Taisei Kensetsu Kabushiki Kaisha
- Yoshio Hane
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Akira Harayama

Person

Patents Grantslast 30 patents

Composite chromium plating film and sliding member covered thereof

Composite chromium plating film and sliding member covered thereof

Chromium alloy plating film, plating method thereof and member cove...

Method of manufacturing a side rail of a combined oil ring

Combined oil ring

Bearing member of an internal combustion engine, having a flame spr...

Vertical centering method and jig for plating