Eiji Miyakawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Structure for installing a multispindle attachment on a drilling ma...
- Patent number 4,650,376
- Issue date Mar 17, 1987
- Miyakawa Industry Co., Ltd.
- Eiji Miyakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hole machining device
- Patent number 4,610,578
- Issue date Sep 9, 1986
- Miyakawa Industry Co., Ltd.
- Eiji Miyakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Exchange chuck for a tool
- Patent number 4,577,875
- Issue date Mar 25, 1986
- Miyakawa Industry Co., Ltd.
- Eiji Miyakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Gear interference preventing mechanism in multi-spindle head attach...
- Patent number 4,517,857
- Issue date May 21, 1985
- Miyakawa Industry Co., Ltd.
- Eiji Miyakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Holder for multiple spindle attachment
- Patent number D276727
- Issue date Dec 11, 1984
- Miyakawa Industry Co., Ltd.
- Eiji Miyakawa
- D15 - Machines not elsewhere specified
Information Patent Grant
Holder for multiple spindle attachment
- Patent number D276728
- Issue date Dec 11, 1984
- Miyakawa Industry Co., Ltd.
- Eiji Miyakawa
- D15 - Machines not elsewhere specified
Information Patent Grant
Collet chuck assembly for taps
- Patent number 4,385,854
- Issue date May 31, 1983
- Miyakawa Industry Co., Ltd.
- Eiji Miyakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Turning type multi-spindle attachment
- Patent number 4,365,916
- Issue date Dec 28, 1982
- Miyakawa Industry Co., Ltd.
- Eiji Miyakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Guide plate for a multiple spindle attachment for drilling and tapp...
- Patent number D265654
- Issue date Aug 3, 1982
- Miyakawa Industry Co., Ltd.
- Eiji Miyakawa
- D15 - Machines not elsewhere specified
Information Patent Grant
Spindle holder guide member for multiple spindle attachment
- Patent number 4,320,997
- Issue date Mar 23, 1982
- Miyakawa Industry Company, Limited
- Eiji Miyakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Attachment member for multiple-spindle head
- Patent number 4,305,189
- Issue date Dec 15, 1981
- Miyakawa Industry Company, Limited
- Eiji Miyakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Spindlecase attachment for tapping machines to change the rotation...
- Patent number D262034
- Issue date Nov 24, 1981
- Miyakawa Industry Company, Limited
- Eiji Miyakawa
- D15 - Machines not elsewhere specified
Information Patent Grant
Spindlecase attachment for tapping machines to change the rotation...
- Patent number D261392
- Issue date Oct 20, 1981
- Miyakawa Industry Company, Limited
- Eiji Miyakawa
- D15 - Machines not elsewhere specified
Information Patent Grant
Method for piercing doubling plate for H-beam and tool for processi...
- Patent number 4,147,460
- Issue date Apr 3, 1979
- Miyakawa Industry Company Limited
- Eiji Miyakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Eiji Miyakawa

Person

Patents Grantslast 30 patents

Structure for installing a multispindle attachment on a drilling ma...

Hole machining device

Exchange chuck for a tool

Gear interference preventing mechanism in multi-spindle head attach...

Holder for multiple spindle attachment

Holder for multiple spindle attachment

Collet chuck assembly for taps

Turning type multi-spindle attachment

Guide plate for a multiple spindle attachment for drilling and tapp...

Spindle holder guide member for multiple spindle attachment

Attachment member for multiple-spindle head

Spindlecase attachment for tapping machines to change the rotation...

Spindlecase attachment for tapping machines to change the rotation...

Method for piercing doubling plate for H-beam and tool for processi...