Inventor

OHTA TATSUO

JP25 patents

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

OHTA TATSUO

KONISHIROKU PHOTO IND

Conductive laminate

Optical lens and optical information recording and reproducing apparatus equipped therewith

Antireflection coating with electromagnetic wave shielding effect and optical member having the antireflection coating

Evaporator

Transparent conductive layer built-up material

Developing roller and rinsing device

Half mirror film producing method and optical element comprising a half mirror film

Electromagnetic wave attenuating transparent member

Optical member having antireflection film thereon

Transparent conductive optical device and a process for the production thereof

Multi-color electro-static image liquid development apparatus

Metal image forming materials with light sensitive resin layer and oblique angle deposited metal underlayer

Optical component

Two superimposed ion current formed images using photoconductive screen gives wider potential range for gradation control in electrophotography

KONICA MINOLTA OPTO INC

Optical element and optical pickup apparatus

Optical lens and information recording and reproducing device

Objective lens and optical pickup apparatus

Objective lens and optical pickup apparatus

Optical element and optical pickup apparatus

Optical element and optical pickup device

Antireflection coating, optical element, and optical transceiver module

DONALDSON CO INC

Electric restriction indicator with a contactless switch device for indicating a restriction in filter elements

TOYO ROKI SEIZO KK

Gradient density filter medium

KONICA CORP

Surface treatment method and optical part

KONICA OPTO CORP

Optical lens and optical information recording and reproducing apparatus