Inventor

YAMAMOTO KENJI

JP596 patents

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

YAMAMOTO KENJI

SONY CORP

optical pickup apparatus

Optical head and recording/reproducing device

Recording/reproducing apparatus and recording/reproducing method for optical recording media

Image pickup apparatus

Lens driving device, optical head and optical disc system

Optical disc recording/reproduction apparatus having a lens group, focus, servo, and jog mode adjustment

Optical pick-up device, optical recording/reproducing apparatus and objective lens

Objective lens having a doublet lens with high numerical aperture

Optical disc recording/reproduction apparatus and method

Optical recording medium recording and reproducing apparatus and optical pickup device

KOBE STEEL LTD

Hard film for cutting tools, cutting tool coated with hard film, process for forming hard film, and target used to form hard film

Hard wear resistant film, process for forming hard film, and target used to form hard film

Hard laminated film, method of manufacturing the same and film-forming device

Hard coating excellent in wear resistance and in oxidation resistance and target for forming the same

Hard film, method of forming the same and target for hard film formation

SHINETSU CHEMICAL CO

Hard coating compositions and plastic optical articles

Organopolysiloxane resin, production method thereof, and curable organopolysiloxane resin composition using the same

Thin ribbon of rare earth-based permanent magnet alloy

Quenched thin ribbon of rare earth/iron/boron-based magnet alloy

NISSAN MOTOR

Rear bumper for an automobile

Front bumper for automobile

Rear bumper for automobile

Radiator grille for an automobile

FUJITSU LTD

Semantic recognition system

Method and apparatus for reducing system down time by restarting system using a primary memory before dumping contents of a standby memory to external storage

Speech recognizer using speaker categorization for automatic reevaluation of previously-recognized speech data

AVAGO TECH ECBU IP SG PTE LTD

Light communication system and illumination apparatus therefor

Device and method for driving LED

ARKRAY INC

Method for measuring substance and testing piece

Method for measuring substance and testing piece

DENSO CORP

Misfire detecting apparatus using difference in engine rotation speed variance

Stereoscopic image display device

YAMAMOTO KENJI

Biometrics authentication system

Objective lens, optical pickup, and optical drive device

SEGA ENTERPRISES KK

Virtual image generation apparatus and method

KANEGAFUCHI CHEMICAL IND

High heat conductive insulated substrate and method of manufacturing the same

ROHM CO LTD

Nitride semiconductor device and fabrication method therefor

KANEKA CORP

Method of producing silicon thin-film photoelectric transducer and plasma CVD apparatus used for the method

AGILENT TECHNOLOGIES INC

Home security video system using internet technique

SHARP KK

Information processor having two-dimensional bar code processing function

NIHON NOHYAKU CO LTD

Pyrimidine and pyridine derivatives, their production and use

FUJIKIN KK

Pipe joint with a gasket retainer

KYOHARA MASAKO

Fluid flow-controller with improved diaphragm

YAMAMOTO KOGAKU

Goggles for ski use

HITACHI SOFTWARE ENG

Probe-bearing element and method for producing the same

AVAGO TECHNOLOGIES GENERAL IP

Optical communication system, lighting equipment and terminal equipment used therein

NINTENDO CO LTD

Storage medium storing sound processing program and sound processing apparatus

NEC ELECTRONICS CORP

Clock signal distribution circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Battery

LG PHILIPS LCD CO LTD

Constituent substrate for electronic equipment using wiring layer made of copper and transparent conductive layer made of composite oxide containing indium oxide and metal oxide as main components and electronic equipment using the same