Inventor

MARUYAMA EIICHI

35 patents

⚠️ This page may combine multiple inventors who share the name “MARUYAMA EIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MARUYAMA EIICHI

HITACHI LTD

Imaging display device

Electrophotographic member with α-Si layers

Electrophotographic member

Semiconductor device and a method of manufacturing the same

Method of forming passivated polycrystalline semiconductors

Thin film solar cell

Apparatus for vacuum deposition

Display device

Heterojunction FET with doubly-doped channel

Electrophotographic member with α-Si and H

Solid-state imaging device

Semiconductor device and method of manufacturing the same

Method of producing material patterns by evaporating material through a perforated mask having a reinforcing bridge

Storage type photosensor containing silicon and hydrogen

Photoelectric conversion apparatus

Photoelectric device and method of producing the same

Solid-state imaging device

Electrophotographic plate and process for preparation thereof

Photosensor

Photoconductive films

Semiconductor device

Semiconductor device

Photoelectric device

Color solid-state imager and method of making the same

Radiation sensitive screen

Electrophotographic member having multilayered amorphous silicon photosensitive member

Photoconductive target of an image pickup tube and method for manufacturing the same

Method of manufacturing target of image pickup tube

Semiconductor layer of oxygen depletion type cerium oxide or lead oxide

Light sensitive screen

Photoelectric conversion device and method of producing the same

Method of production of image pickup device

NIPPON TELEGRAPH & TELEPHONE

Photosensor

Photo-sensor

Photo-sensor