Inventor

MURAMATSU SHIGERU

JP132 patents

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

MURAMATSU SHIGERU

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Sealed compressor having pipe connectors and method of joining pipe connectors to sealed casing

Hermetically sealed rotary compressor having an oil supply capillary passage

Scroll compressor with heat insulating and soundproof cover in bottom disposed low pressure chamber

Sealed compressor having pipe connectors and method of joining pipe connectors to sealed casing

Rotary compressor having a protective coating which is finish ground

Hermetically sealed rotary compressor having an oil supply passage to the compression compartment

Scroll compressor having an annular seal for a stationary scroll pressure receiving surface

Scroll compressor having lubrication of the rotation preventing member

Scroll compressor having an annular seal for a stationary scroll pressure receiving surface

Compressor for a refrigeration machine having a thrust bearing

Scroll compressor having a separate stationary wrap element secured to a frame

Starting method for scroll-type compressor

Scroll compressor with regulated oil flow to the back pressure chamber

Scroll compressor with axial vibration prevention for a shaft bearing

Scroll compressor with intermittent oil supply passage

Method of making a scroll compressor having a centering recess for assembly

Scroll fluid machine and producing method for the same

Sealed type compressor

Scroll compressor having well-balanced rotary elements

Rotary compressor having a cylinder block of sintered metal

Scroll compressor with overload protection

Check valve device for scroll compressor

Enclosed type compressor and its manufacturing method

YAMAHA CORP

Inner force sense controller for providing variable force to multidirectional moving object, method of controlling inner force sense and information storage medium used therein

Position transducer system with built-in calibrator for moving object, method for accurately determining position of moving object and keyboard musical instrument equipped with the position transducer system

Keyboard musical instrument equipped with small simple economical key touch generator

Keyboard musical instrument equipped with electromagnetic key touch generator for imparting piano key-touch to player

Stringless piano-touch electric sound producer for directly driving a sound board on the basis of key actions

Automatic playing system used for musical instruments and computer program used therein for self-teaching

Self-calibrating transducer system and musical instrument equipped with the same

Keyboard musical instrument having key touch controller for giving piano key touch to player, method of simulating piano key touch and information storage medium for storing program

Keyboard musical instrument having key touch controller

Keyboard musical instrument having key-touch generator changing load exerted on keys depending upon sounds to be produced

Key actuating device of an automatic playing keyboard instrument

Easily installable optical position transducer and keyboard musical instrument having the same

Keyboard musical instrument for exactly producing tones and hammer sensor varying output signal exactly representing physical quantity of hammer

Automatic player incorporated in keyboard musical instrument and plunger sensor for detecting motion of plunger

Keyboard musical instrument faithfully reproducing original performance without complicated tuning and music data generating system incorporated therein

Automatic player piano and estimator for acceleration of depressed key incorporated in the automatic player piano

Touch-response tone controller unit for an electronic musical instrument

Automatic player piano with magnetic velocity sensor shielded from solenoid-operated key actuators

Automatic performance device for a keyboard instrument

Actuator unit for performance operator, keyboard musical instrument and actuator unit assembly

RICOH KK

Energy efficient fixing device having a fast response

Copier capable of setting up an erase area on a photoconductive element

Image forming apparatus

YAZAKI CORP

Integrally molded automotive waterproof connector comprising thermoplastic resin and oil-bleeding silicone rubber

MITSUBISHI ENG PLASTICS CORP

Thermoplastic resin/oil-bleeding silicone rubber integrally molded articles

MITSUBISHI ELECTRIC CORP

Rotary compressor

NIPPON MUSICAL INSTRUMENTS MFG

Solenoid driving apparatus for actuating key of player piano