Inventor

YOKOTA HIROSHI

JP154 patents

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

YOKOTA HIROSHI

SUMITOMO ELECTRIC INDUSTRIES

UV light-permeable glass and article comprising the same

Process of drawing optical fiber

Process for thermal treatment of glass fiber preform

Method of producing glass preform in furnace for heating glass

Glass preform for dispersion shifted single mode optical fiber and method for the production of the same

Method for producing glass preform for optical fiber

Method for producing glass preform for optical fiber

Method for producing glass preform for optical fiber

Reflection monitor optical fiber coupler manufacturing system and method

Optical-coupler reinforcing material and optical-coupler reinforcing method

Process for producing an optical fiber coupler

Raw material supply device

Multi core optical fiber

Process for thermal treatment of glass fiber preform

Method for producing glass preform for optical fiber

Raw material supplying device and process

YOKOTA MFG

Automatic regulating valve apparatus

Self-priming type cetrifugal pump

Composite action type water-hammer-preventive check valve

Water hammer preventing check valve

Automatic constant-pressure regulating lift device

Pump apparatus

Controllable constant flow regulating lift valve

Gas-liquid separator

Water-hammerless check valve

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Disk array device

Video server

Packet communications network and communications method

Flow control method

Communication device, communication system, and algorithm selection method

Data reception system capable of replacing recording medium

KURASHIKI BOSEKI KK

Spectroscopic method and apparatus for measuring sugar concentrations

Quantitative determination method of chemicals for processing semiconductor and an apparatus thereof

Method of acid value determination by infrared absorption

BAYER AG

Automated test strip supplying system

Test strip pick-up mechanism in automated analyzer

HITACHI HIGH TECH CORP

Fluid mixing apparatus

Engine exhaust gas treatment system and exhaust gas treatment process

MATSUSHITA ELECTRIC WORKS LTD

Planar antenna

Plane antenna assembly

MATSUSHITA ELECTRIC CO LTD

Fast packet transmission system of video data

TOYOTA MOTOR CO LTD

Removable expanding fastener

TSUBAKIMOTO CHAIN CO

Tool pot separation type chain

PIONEER ELECTRONIC CORP

Pulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical disc

KONAMI CO LTD

Track racing game machine

EBARA CORP

Lead free bump and method of forming the same

KABUSHIKI KAISHA YOKOTA MFG

Control valve device

TERADA KOJI

Lubricating oil feeding structure

FUJIKOKI CORP

Expansion valve

NIPPON OXYGEN CO LTD

Process for the production of glass