Inventor

YOKOYAMA SEIICHI

JP57 patents

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

YOKOYAMA SEIICHI

SONY CORP

Display unit, method of manufacturing same, organic light emitting unit, and method of manufacturing same

Display unit

Laminated structure, display device and display unit employing same

Display unit

Display unit

Display apparatus and method of manufacturing the same

Display unit

Laminated structure, display device and display unit employing same

Display unit, method of manufacturing display unit, and electronic apparatus

Display apparatus and method of manufacturing the same

Light-emitting device, method of manufacturing the same, and display unit

Light-emitting device, method of manufacturing the same, and display unit

Laminated structure, display device and display unit employing same

Display unit

Display unit

Laminated structure, display device and display unit employing same

Organic light emitting device, display unit, and device comprising a display unit

Laminated structure, display device and display unit employing same

SHARP KK

Thin ferroelectric film element having a multi-layered thin ferroelectric film and method for manufacturing the same

Method for etching PT film

Semiconductor memory device and production method of the same

Semiconductor device including capacitor with lower electrode including iridium and iridium oxide layers

Method for producing ferroelectric film element, and ferroelectric film element and ferroelectric memory element produced by the method

Thin ferroelectric film element having a multi-layered thin ferroelectric film and method for manufacturing the same

Method for etching ferroelectric film

HONDA MOTOR CO LTD

Object recognizing device

Sensor element with small area light detecting section of bridge structure

Ion implantation mask and method for manufacturing same, silicon carbide semiconductor device using ion implantation mask, and method for manufacturing same

Junction semiconductor device and method for manufacturing the same

Method for manufacturing junction semiconductor device

Method for manufacturing junction semiconductor device

HOYA CORP

Solid-state laser device capable of generating a harmonic laser beam at a high conversion efficiency

Solid state laser device with a bi-cylindrical covexo-convex lens having selected radii of curvature to preferably pump a region of a laser medium

Optical filtering module and optical devices using such optical filtering module

Optical filter module and optical apparatus using the same

TEIJIN LTD

Fed batch culture method for protein secreting cells

Process for preparing 2,6-dimethylnaphthalenes

Medium for culturing animal cells

NAGANO KEIKI CO LTD

Electrostatic capacitance type transducer

Electrostatic capacitance type transducer and method for producing the same

Sensor chip, laminated wafer for sensor chip and manufacturing method of sensor chip

YOKOYAMA SEIICHI

Organic light emitting device and display unit including the same

Liquid circulation system

KASHIWABARA MITSUHIRO

Display unit, method of manufacturing same, organic light emitting unit, and method of manufacturing same

YAMADA JIRO

Display unit having a groove between organic EL devices

IGAWA TOMOMI

Liquid circulation system and ink-jet printer

HERCOFINA

Recovery of aromatic carboxylic acid or ester thereof from residue fraction of oxidation or esterification reaction mixture

ALPS ELECTRIC CO LTD

Surface-mounting type of electronic circuit unit suitable for miniaturization and a method for fabricating the unit

HOYA CANDEO OPTRONICS CORP

Polarizing glass, optical isolator, and method for producing polarizing glass

NONAKA KEN-ICHI

Method for manufacturing ion implantation mask, and method for manufacturing silicon carbide semiconductor device