Inventor

YAMADA YOICHI

JP154 patents

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

YAMADA YOICHI

NINTENDO CO LTD

Game system and game program

Video game apparatus and information storage medium for video game

Video game apparatus and memory medium therefor

Sound generating device and video game device using the same

Video game apparatus and memory medium therefor

Video game apparatus and method with enhanced virtual camera control

Image processing system

Image processing system

Video game apparatus and method with enhanced virtual camera control

Video game apparatus and memory used therefor

Video game apparatus having a direction pointing mark and player object displayed on a game screen

Video game apparatus and memory medium used therefor

Multi-player game system and multi-player game program

Game system and game program for providing multi-player gameplay on individual displays and a common display

Video game apparatus and method with enhanced player object action control

Video game apparatus having direction pointing marks and player object displayed on game screen

Game apparatus and storage medium storing game program

Puzzle game apparatus, storage medium storing puzzle game program, and puzzle game controlling method

Game machine and data storage medium having stored therein game program

Storage medium having game program stored thereon and game apparatus

SEIKO EPSON CORP

Developing device, image forming apparatus, image forming system, cartridge, developing unit and photoconductor unit

Developing unit

Image forming apparatus having a plurality of developing units

Developing unit

Developing unit having developing roller with restraining blade

Liquid ejecting head and manufacturing method thereof

Ink composition for ink jet recording, ink supply system, and ink jet recording apparatus

Developer bearing member, method for producing developer bearing member, developing device, image-forming apparatus, and computer system

Developing device and image forming apparatus having a toner-particle bearing roller with a helical groove portion

Image forming apparatus that prevents conspicuous unevenness in image density

Image-forming apparatus and computer system

Developing unit using specific developer composition

Developing unit using elastic supply roller

Developing unit having developing roller with specific side surface roughness

Image forming apparatus and method having an intermediate transfer member with a multilayer structure that prevents abnormal images due to abnormal discharges

PIONEER ELECTRONIC CORP

Apparatus for detecting the number of beats

Optical disc reproducing apparatus

Audio signal mixer for long mix editing

Apparatus for and method of reproducing music together with information representing beat of music

Audio signal mixer for long mix editing

YAMADA YOICHI

Storage medium having game program stored thereon and game apparatus

Game apparatus and computer-readable recording medium recording game program for controlling attitude and position of an object in a virtual space

Storage medium having game program stored therein and game apparatus

Game system and storage medium storing game program

FUJITSU LTD

Method and apparatus for changing the perspective view of a three-dimensional object image displayed on a display screen

Graphic processing apparatus utilizing a CAD system

Mouse cursor control system

PIONEER CORP

Information playback apparatus

Information playback apparatus

AONUMA EIJI

Graphic object collision detection with axis-aligned bounding regions calculated from inclination angle