Keiko Ikoma

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Mold with film of 0-5 atom % hydrogen and molding method utilizing...
- Patent number 5,382,274
- Issue date Jan 17, 1995
- Canon Kabushiki Kaisha
- Kiyoshi Yamamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Mold having a diamond layer, for molding optical elements
- Patent number 5,380,349
- Issue date Jan 10, 1995
- Canon Kabushiki Kaisha
- Yasushi Taniguchi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Electric field light-emitting device
- Patent number 5,275,967
- Issue date Jan 4, 1994
- Canon Kabushiki Kaisha
- Yasushi Taniguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optical card and method for reading information recorded in it
- Patent number 5,248,584
- Issue date Sep 28, 1993
- Canon Kabushiki Kaisha
- Kyo Miura
- G11 - INFORMATION STORAGE
Information Patent Grant
Electric field light-emitting device
- Patent number 5,210,430
- Issue date May 11, 1993
- Canon Kabushiki Kaisha
- Yasushi Taniguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of making an optical element mold with a hard carbon film
- Patent number 5,202,156
- Issue date Apr 13, 1993
- Canon Kabushiki Kaisha
- Kiyoshi Yamamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Mold with hydrogenated amorphous carbon film for molding an optical...
- Patent number 5,026,415
- Issue date Jun 25, 1991
- Canon Kabushiki Kaisha
- Kiyoshi Yamamoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Novel diamond-like carbon film and process for the production thereof
- Patent number 4,935,303
- Issue date Jun 19, 1990
- Canon Kabushiki Kaisha
- Keiko Ikoma
- C30 - CRYSTAL GROWTH
Information Patent Grant
Novel single-bond carbon film and process for the production thereof
- Patent number 4,932,331
- Issue date Jun 12, 1990
- Canon Kabushiki Kaisha
- Noriko Kurihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Photosensitive member having a light receiving layer comprising a c...
- Patent number 4,898,798
- Issue date Feb 6, 1990
- Canon Kabushiki Kaisha
- Masao Sugata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cardlike optical recording medium
- Patent number 4,897,829
- Issue date Jan 30, 1990
- Canon Kabushiki Kaisha
- Keiko Ikoma
- G11 - INFORMATION STORAGE
Information Patent Grant
Photosensitive member having a photoconductive layer comprising a c...
- Patent number 4,892,800
- Issue date Jan 9, 1990
- Canon Kabushiki Kaisha
- Masao Sugata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Keiko Ikoma

Person

Patents Grantslast 30 patents

Mold with film of 0-5 atom % hydrogen and molding method utilizing...

Mold having a diamond layer, for molding optical elements

Electric field light-emitting device

Optical card and method for reading information recorded in it

Electric field light-emitting device

Method of making an optical element mold with a hard carbon film

Mold with hydrogenated amorphous carbon film for molding an optical...

Novel diamond-like carbon film and process for the production thereof

Novel single-bond carbon film and process for the production thereof

Photosensitive member having a light receiving layer comprising a c...

Cardlike optical recording medium

Photosensitive member having a photoconductive layer comprising a c...