Hiroyoshi Suenaga

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Titanium discs useful for magnetic discs
- Patent number 5,478,657
- Issue date Dec 26, 1995
- NKK Corporation
- Hiroyoshi Suenaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk substrate
- Patent number 5,360,677
- Issue date Nov 1, 1994
- NKK Corporation
- Hideaki Fukai
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic disk substrate of titanium
- Patent number 5,221,459
- Issue date Jun 22, 1993
- NKK Corporation
- Yoko Okano
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of manufacturing a magnetic disk substrate
- Patent number 5,188,677
- Issue date Feb 23, 1993
- NKK Corporation
- Hideaki Fukai
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for lapping two surfaces of a titanium disk
- Patent number 5,159,787
- Issue date Nov 3, 1992
- NKK Corporation
- Hiroyoshi Suenaga
- B24 - GRINDING POLISHING
Information Patent Grant
Method for mirror polishing of ti-made magnetic disk substrate
- Patent number 5,136,819
- Issue date Aug 11, 1992
- Masakuni Takagi
- B24 - GRINDING POLISHING
Information Patent Grant
Method of manufacturing titanium magnetic disk substrate
- Patent number 5,131,995
- Issue date Jul 21, 1992
- NKK Corporation
- Hiroyoshi Suenaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk substrate and method of manufacturing the same
- Patent number 5,120,615
- Issue date Jun 9, 1992
- NKK Corporation
- Hideaki Fukai
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacture titanium clad steel plate
- Patent number 5,060,845
- Issue date Oct 29, 1991
- NKK Corporation
- Hiroyoshi Suenaga
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of manufacturing a titanium magnetic disk substrate
- Patent number 4,990,362
- Issue date Feb 5, 1991
- NKK Corporation
- Hiroshi Kibe
- G11 - INFORMATION STORAGE
Information Patent Grant
Titanium base alloy for superplastic forming
- Patent number 4,944,914
- Issue date Jul 31, 1990
- NKK Corporation
- Atsushi Ogawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing beta type titanium alloy materials having exce...
- Patent number 4,799,975
- Issue date Jan 24, 1989
- Nippon Kokan Kabushiki Kaisha
- Chiaki Ouchi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Hiroyoshi Suenaga

Person

Patents Grantslast 30 patents

Titanium discs useful for magnetic discs

Magnetic disk substrate

Method of manufacturing a magnetic disk substrate of titanium

Method of manufacturing a magnetic disk substrate

Method for lapping two surfaces of a titanium disk

Method for mirror polishing of ti-made magnetic disk substrate

Method of manufacturing titanium magnetic disk substrate

Magnetic disk substrate and method of manufacturing the same

Method for manufacture titanium clad steel plate

Method of manufacturing a titanium magnetic disk substrate

Titanium base alloy for superplastic forming

Method for producing beta type titanium alloy materials having exce...