Takehiko Okubo

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic printer having transferring device with control...
- Patent number 5,722,010
- Issue date Feb 24, 1998
- Oki Data Corporation
- Takehiko Okubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multivoltage power supply and control method thereof
- Patent number 5,424,934
- Issue date Jun 13, 1995
- Oki Electric Industry Co., Ltd.
- Jiro Tanuma
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrophotographic printer and method for controlling the same
- Patent number 5,361,088
- Issue date Nov 1, 1994
- Oki Electric Industry Co., Ltd.
- Katsuyuki Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic recording apparatus indicating a wear rate for...
- Patent number 5,101,233
- Issue date Mar 31, 1992
- Oki Electric Industry Co., Ltd.
- Katsuyuki Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic printer
- Patent number 4,905,028
- Issue date Feb 27, 1990
- Oki Electric Industry Co., Ltd.
- Takehiko Okubo
- G06 - COMPUTING CALCULATING COUNTING