Kabushiki Kaisya Ohara

Organization

Kanagawa, JP

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Low alpha-ray level glass and method for manufacturing the same
- Patent number 5,942,793
- Issue date Aug 24, 1999
- Kabushiki Kaisya Ohara
- Tatsuya Senoo
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for manufacturing a magnetic disk substrate
- Patent number 5,868,953
- Issue date Feb 9, 1999
- Kabushiki Kaisya Ohara
- Masashi Maekawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Magnetic disk substrate and method for manufacturing the same
- Patent number 5,626,935
- Issue date May 6, 1997
- Kabushiki Kaisya Ohara
- Naoyuki Goto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical glass for mold pressing having softening capability at low...
- Patent number 5,607,886
- Issue date Mar 4, 1997
- Kabushiki Kaisya Ohara
- Masahiro Onozawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Low expansion transparent glass-ceramic
- Patent number 5,591,682
- Issue date Jan 7, 1997
- Kabushiki Kaisya Ohara
- Naoyuki Goto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for continuously forming and processing a glass-ceramic
- Patent number 5,588,979
- Issue date Dec 31, 1996
- Kabushiki Kaisya Ohara
- Mutsumi Miyazaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for detecting a defect in a glass-ceramic for magnetic disks
- Patent number 5,580,363
- Issue date Dec 3, 1996
- Kabushiki Kaisya Ohara
- Naoyuki Goto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for manufacturing a crystalized glass magnetic disk substrate
- Patent number 5,567,217
- Issue date Oct 22, 1996
- Kabushiki Kaisya Ohara
- Naoyuki Goto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass-ceramic for information recording disk
- Patent number 5,561,089
- Issue date Oct 1, 1996
- Kabushiki Kaisya Ohara
- Futoshi Ishizaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Cordierite glass-ceramic and method for manufacturing the same
- Patent number 5,532,194
- Issue date Jul 2, 1996
- Kabushiki Kaisya Ohara
- Yasuyuki Kawashima
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass-ceramic for magnetic disks and method for manufacturing the same
- Patent number 5,391,522
- Issue date Feb 21, 1995
- Kabushiki Kaisya Ohara
- Naoyuki Goto
- C03 - GLASS MINERAL OR SLAG WOOL

Kabushiki Kaisya Ohara

Organization

Patents Grantslast 30 patents

Low alpha-ray level glass and method for manufacturing the same

Method for manufacturing a magnetic disk substrate

Magnetic disk substrate and method for manufacturing the same

Optical glass for mold pressing having softening capability at low...

Low expansion transparent glass-ceramic

Apparatus for continuously forming and processing a glass-ceramic

Method for detecting a defect in a glass-ceramic for magnetic disks

Method for manufacturing a crystalized glass magnetic disk substrate

Glass-ceramic for information recording disk

Cordierite glass-ceramic and method for manufacturing the same

Glass-ceramic for magnetic disks and method for manufacturing the same

Patents Applicationslast 30 patents

Trademarklast 30 trademarks