Inventor

YOKOTA AKIRA

JP64 patents

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

YOKOTA AKIRA

OLYMPUS OPTICAL CO

Retrofocus-type objective for an endoscope

Objective lens system for endoscopes and image pickup system equipped with said objective lens system

Objective for an endoscope

Optical system for endoscope

Optical system for endoscope

Objective lens system for an endscope

Measuring endoscope

Objective optical system for endoscopes

Imaging device and endoscope system provided with the same

Image pickup system for an endoscope using a first filter matched to a frequency of a fiber array and a second matched to a frequency of an image pickup device

Objective lens system for an endoscope

Optical system for altering the direction of the visual field in endoscopes

Endoscope apparatus

Illumination optical system for endoscopes

Optical device for photographing images formed from optical fiber bundles

Objective lens system for an endoscope

Illuminating optical system for high magnification endoscopes

TOKYO OHKA KOGYO CO LTD

Developing solution for positive-working photoresist comprising tmah and non-ionic surfactant

Method for preventing leaching of contaminants from solid surfaces

Containing an arylsulfonic acid, a phenol and a naphalenic solvent

Developing solution for positive-working photoresist comprising a metal ion free organic base and an anionic surfactant

Positive-working O-quinone diazide photoresist composition with 2,3,4-trihydroxybenzophenone

Method for fine pattern formation on a photoresist

Aqueous developer solution for positive type photoresists with tetramethyl ammonium hydroxide and trimethyl hydroxyethyl ammonium hydroxide

Method of preparing photoresist material with undercoating of photoextinction agent and condensation product

Method of forming a positive resist pattern in photoresist of o-naphthoquinone diazide and bisazide with UV imaging exposure and far UV overall exposure

Positive-type O-quinone diazide containing photoresist compositions

SUMITOMO CHEMICAL CO

Optical film

Epoxy resin, resin composition, and resin-encapsulated semiconductor device

Epoxy resin, resin composition, and resin-encapsulated semiconductor device

Optical film

Optical film

Optical Film

Elliptical polarization plate

Polyether and its production method

KOMATSU MFG CO LTD

Method for manufacturing laminate-molded products and apparatus therefor

Molding cycle control method of an injection molder

Method of detecting filling weight for injection molder

Resin property detection method and injection control method for injection molder

Method of detecting injected amount from an injection molder

Injection control method for injection molder

Method of controlling injection speed selecting points of injection molder

JAPAN STEEL WORKS LTD

Method and apparatus for controlling screw positions in injection molding machine

Method of controlling opening/closing of mold in injection molding machine

Plastic magnet injection molding machine

Press apparatus for magnetic injection molding machines

NISSAN MOTOR

Belt type power transmitting system

Internal combustion engine

NITTAN CO LTD

Light scattering smoke detector

TAKEDA CHEMICAL INDUSTRIES LTD

Method for the production of D-ribose