Eiichi Maruyama

Person

Kodaira, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Display device
- Patent number 4,904,989
- Issue date Feb 27, 1990
- Hitachi, Ltd.
- Makoto Matsui
- G02 - OPTICS
Information Patent Grant
Electrophotographic member with alpha-si layers
- Patent number RE33094
- Issue date Oct 17, 1989
- Hitachi, Ltd.
- Eiichi Maruyama
- 430 - Radiation imagery chemistry: process, composition, or product thereof
Information Patent Grant
Heterojunction FET with doubly-doped channel
- Patent number 4,673,959
- Issue date Jun 16, 1987
- Hitachi, Ltd.
- Yasuhiro Shiraki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrophotographic member having multilayered amorphous silicon ph...
- Patent number 4,672,015
- Issue date Jun 9, 1987
- Hitachi, Ltd.
- Eiichi Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of forming passivated polycrystalline semiconductors
- Patent number 4,613,382
- Issue date Sep 23, 1986
- Hitachi, Ltd.
- Yoshifumi Katayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 4,605,945
- Issue date Aug 12, 1986
- Hitachi, Ltd.
- Yoshifumi Katayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Imaging display device
- Patent number 4,583,122
- Issue date Apr 15, 1986
- Hitachi, Ltd.
- Junichi Ohwada
- G02 - OPTICS
Information Patent Grant
Semiconductor device
- Patent number 4,559,547
- Issue date Dec 17, 1985
- Hitachi, Ltd.
- Yasuhiro Shiraki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photoelectric conversion apparatus
- Patent number 4,556,817
- Issue date Dec 3, 1985
- Hitachi, Ltd.
- Chushirou Kusano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photoelectric device
- Patent number 4,556,816
- Issue date Dec 3, 1985
- Hitachi, Ltd.
- Yoshinori Imamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin film solar cell
- Patent number 4,433,202
- Issue date Feb 21, 1984
- Hitachi, Ltd.
- Eiichi Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light sensitive screen
- Patent number 4,419,604
- Issue date Dec 6, 1983
- Hitachi, Ltd.
- Sachio Ishioka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photoelectric conversion device and method of producing the same
- Patent number 4,405,879
- Issue date Sep 20, 1983
- Hitachi, Ltd.
- Saburo Ataka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photoelectric device and method of producing the same
- Patent number 4,394,749
- Issue date Jul 19, 1983
- Hitachi, Ltd.
- Toshihisa Tsukada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of production of image pickup device
- Patent number 4,380,557
- Issue date Apr 19, 1983
- Hitachi, Ltd.
- Sachio Ishioka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrophotographic member with .alpha.-Si layers
- Patent number 4,378,417
- Issue date Mar 29, 1983
- Hitachi, Ltd.
- Eiichi Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic member with .alpha.-Si and H
- Patent number 4,377,628
- Issue date Mar 22, 1983
- Hitachi, Ltd.
- Sachio Ishioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic member
- Patent number 4,365,013
- Issue date Dec 21, 1982
- Hitachi, Ltd.
- Sachio Ishioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Solid-state imaging device
- Patent number 4,360,821
- Issue date Nov 23, 1982
- Hitachi, Ltd.
- Toshihisa Tsukada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of manufacturing the same
- Patent number 4,351,856
- Issue date Sep 28, 1982
- Hitachi, Ltd.
- Makoto Matsui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing target of image pickup tube
- Patent number 4,331,506
- Issue date May 25, 1982
- Hitachi, Ltd.
- Akira Sasano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solid-state imaging device
- Patent number 4,323,912
- Issue date Apr 6, 1982
- Hitachi, Ltd.
- Norio Koike
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrophotographic plate and process for preparation thereof
- Patent number 4,314,014
- Issue date Feb 2, 1982
- Hitachi, Ltd.
- Hideaki Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Semiconductor layer of oxygen depletion type cerium oxide or lead o...
- Patent number 4,307,319
- Issue date Dec 22, 1981
- Hitachi, Ltd.
- Motoyasu Terao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photosensor
- Patent number 4,307,372
- Issue date Dec 22, 1981
- Hitachi, Ltd.
- Makoto Matsui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color solid-state imager and method of making the same
- Patent number 4,285,007
- Issue date Aug 18, 1981
- Hitachi, Ltd.
- Toshio Nakano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing material patterns by evaporating material throu...
- Patent number 4,273,812
- Issue date Jun 16, 1981
- Hitachi, Ltd.
- Ken Tsutsui
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Storage type photosensor containing silicon and hydrogen
- Patent number 4,255,686
- Issue date Mar 10, 1981
- Hitachi, Ltd.
- Eiichi Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Radiation sensitive screen
- Patent number 4,249,106
- Issue date Feb 3, 1981
- Hitachi, Ltd.
- Eiichi Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photo-sensor
- Patent number 4,233,506
- Issue date Nov 11, 1980
- Nippon Telegraph and Telephone Public Corporation
- Hideaki Yamamoto
- G06 - COMPUTING CALCULATING COUNTING

Eiichi Maruyama

Person

Patents Grantslast 30 patents

Display device

Electrophotographic member with alpha-si layers

Heterojunction FET with doubly-doped channel

Electrophotographic member having multilayered amorphous silicon ph...

Method of forming passivated polycrystalline semiconductors

Semiconductor device

Imaging display device

Semiconductor device

Photoelectric conversion apparatus

Photoelectric device

Thin film solar cell

Light sensitive screen

Photoelectric conversion device and method of producing the same

Photoelectric device and method of producing the same

Method of production of image pickup device

Electrophotographic member with .alpha.-Si layers

Electrophotographic member with .alpha.-Si and H

Electrophotographic member

Solid-state imaging device

Semiconductor device and method of manufacturing the same

Method of manufacturing target of image pickup tube

Solid-state imaging device

Electrophotographic plate and process for preparation thereof

Semiconductor layer of oxygen depletion type cerium oxide or lead o...

Photosensor

Color solid-state imager and method of making the same

Method of producing material patterns by evaporating material throu...

Storage type photosensor containing silicon and hydrogen

Radiation sensitive screen

Photo-sensor