Atsushi Kakuta

Person

Hitachiota, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical memory device and optical circuit using optical memory device
- Patent number 5,862,286
- Issue date Jan 19, 1999
- Hitachi, Ltd.
- Yasuo Imanishi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Nonlinear optical material and devices utilizing said material
- Patent number 5,467,421
- Issue date Nov 14, 1995
- Hitachi Chemical Company, Ltd.
- Makoto Kaji
- G02 - OPTICS
Information Patent Grant
Nonlinear optical element
- Patent number 5,322,760
- Issue date Jun 21, 1994
- Hitachi, Ltd.
- Yuzo Itoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Non-linear optical device
- Patent number 5,176,854
- Issue date Jan 5, 1993
- Hitachi, Ltd.
- Yuzo Ito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotographic photoreceptor and method of producing the same
- Patent number 4,990,418
- Issue date Feb 5, 1991
- Hitachi, Ltd.
- Akio Mukoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Resin coated transfer guide for electrophotographic apparatus
- Patent number 4,933,723
- Issue date Jun 12, 1990
- Hitachi, Ltd.
- Atsushi Kakuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic plate having a charge generating layer containi...
- Patent number 4,657,834
- Issue date Apr 14, 1987
- Hitachi, Ltd.
- Shigeo Tachiki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Composite type photosensitive member having metal-free phthalocyani...
- Patent number 4,619,879
- Issue date Oct 28, 1986
- Hitachi, Ltd.
- Atsushi Kakuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic plate having a charge generating layer containi...
- Patent number 4,565,758
- Issue date Jan 21, 1986
- Hitachi, Ltd.
- Shigeo Tachiki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic recording medium containing .tau. and .eta. met...
- Patent number 4,507,374
- Issue date Mar 26, 1985
- Hitachi, Ltd.
- Atsushi Kakuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Complex type electrophotographic plate and electrophotographic meth...
- Patent number 4,435,492
- Issue date Mar 6, 1984
- Hitachi, Ltd.
- Shigeo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive material having thin amorphous s...
- Patent number 4,430,404
- Issue date Feb 7, 1984
- Hitachi, Ltd.
- Akira Hosoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic plate having an age-hardened aluminum substrate...
- Patent number 4,405,703
- Issue date Sep 20, 1983
- Hitachi, Ltd.
- Shigeharu Onuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Complex type electrophotographic plate and electrophotographic meth...
- Patent number 4,352,876
- Issue date Oct 5, 1982
- Hitachi, Ltd.
- Shigeo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Complex type electrophotographic plate
- Patent number 4,346,157
- Issue date Aug 24, 1982
- Hitachi, Ltd.
- Atsushi Kakuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Atsushi Kakuta

Person

Patents Grantslast 30 patents

Optical memory device and optical circuit using optical memory device

Nonlinear optical material and devices utilizing said material

Nonlinear optical element

Non-linear optical device

Electrophotographic photoreceptor and method of producing the same

Resin coated transfer guide for electrophotographic apparatus

Electrophotographic plate having a charge generating layer containi...

Composite type photosensitive member having metal-free phthalocyani...

Electrophotographic plate having a charge generating layer containi...

Electrophotographic recording medium containing .tau. and .eta. met...

Complex type electrophotographic plate and electrophotographic meth...

Electrophotographic photosensitive material having thin amorphous s...

Electrophotographic plate having an age-hardened aluminum substrate...

Complex type electrophotographic plate and electrophotographic meth...

Complex type electrophotographic plate