Hazime Machida

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Metal oxide magnetic substance and a magnetic film consisting there...
- Patent number 4,788,095
- Issue date Nov 29, 1988
- Ricoh Company, Ltd.
- Hazime Machida
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Metal oxide magnetic substance and a magnetic film consisting there...
- Patent number 4,670,322
- Issue date Jun 2, 1987
- Ricoh Company, Ltd.
- Hitoshi Nakamura
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magneto-optic recording medium having a metal oxide recording layer
- Patent number 4,670,323
- Issue date Jun 2, 1987
- Ricoh Company, Ltd.
- Hitoshi Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Ferrimagnetic oxides and magneto-optical recording medium employing...
- Patent number 4,562,105
- Issue date Dec 31, 1985
- Ricoh Company, Ltd.
- Hazime Machida
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Magneto-optical recording medium having a ferrimagnetic recording l...
- Patent number 4,544,602
- Issue date Oct 1, 1985
- Ricoh Company, Ltd.
- Hiroshi Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and playback apparatus of perpendicular recordin...
- Patent number 4,413,297
- Issue date Nov 1, 1983
- Ricoh Company, Ltd.
- Motoharu Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for desensitizing offset printing plates
- Patent number 4,282,811
- Issue date Aug 11, 1981
- Ricoh Co., Ltd.
- Masayuki Kuzuwata
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Aqueous treating liquid for use in offset printing
- Patent number 4,208,212
- Issue date Jun 17, 1980
- Ricoh Company, Ltd.
- Masayuki Kuzuwata
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ferrocyanate treating liquid for offset master
- Patent number 4,116,698
- Issue date Sep 26, 1978
- Ricoh Co., Ltd.
- Hazime Machida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Hazime Machida

Person

Patents Grantslast 30 patents

Metal oxide magnetic substance and a magnetic film consisting there...

Metal oxide magnetic substance and a magnetic film consisting there...

Magneto-optic recording medium having a metal oxide recording layer

Ferrimagnetic oxides and magneto-optical recording medium employing...

Magneto-optical recording medium having a ferrimagnetic recording l...

Magnetic recording and playback apparatus of perpendicular recordin...

Method for desensitizing offset printing plates

Aqueous treating liquid for use in offset printing

Ferrocyanate treating liquid for offset master