Inventor

YAMAGUCHI HIROAKI

127 patents

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

YAMAGUCHI HIROAKI

NIPPON SOKEN

Deteriorated condition detecting apparatus for an oxygen sensor

Deteriorated condition detecting apparatus for an oxygen sensor

Feedback type ignition timing control system for internal combustion engines

Spark plug with a wide discharge gap

Feedback type ignition timing control system for internal combustion engines

Knock detecting apparatus for an internal combustion engine

Ignition system for internal combustion engines

Ignition system for internal combustion engines

Digital acceleration detecting system

Gas composition sensor

Spark plug having dual gaps

Ignition range detector for internal combustion engine

Ignition timing control apparatus for internal combustion engines

Knock detecting apparatus for combustion engines

Torque detecting system for internal combustion engine

Gas component sensing apparatus

Additional air control device for an internal combustion engine

Vibration detecting apparatus

Knock detecting apparatus for combustion engines

Ignition range detector for internal combustion engines

Knock detecting apparatus for an internal combustion engine

Ignition timing regulating device for internal combustion engine

UBE INDUSTRIES

Aromatic polyimide film and its precursor composition

Aromatic polyimide foam

Metal film/aromatic polymide film laminate

Terminal-modified imide oligomers and cured products thereof

Polyimide/metal composite sheet

Aromatic polyimide film having improved adhesion

Polyimide film-laminated body

Method of making a polyimide film having a thin metal layer

Production of via hole in a flexible printed circuit board by applying a laser or punch

Process for production of polyimide powder, polyimide powder, polyimide powder molded bodies and process for their production

Aromatic polyimide article having amorphous layer

NIPPON DENSO CO

Electric control apparatus

Pedal return device having improved hysteresis characteristics

Ignition timing control apparatus for internal combustion engines

Rotary position detecting device

Vibration and acoustic wave detecting device employing a piezoelectric element

KOMATSU MFG CO LTD

Apparatus for detecting position of underground excavator and magnetic field producing cable

System and method for transmitting and calculating data in shield machine

Positional measurement projecting device and mounting structure therefor

KAO CORP

Preparation process of diglyceride

Acidic oil-in-water type emulsified compositions

MINNESOTA MINING & MFG

Anisotropic, electrically conductive adhesive film

TOKAI RIKA CO LTD

Fitting structure for two members

SONY CORP

Imaging apparatus and device control method for self-portrait photography

3M INNOVATIVE PROPERTIES CO

Anisotropically conductive adhesive composition and anisotropically conductive adhesive film formed from it

YAMAGUCHI HIROAKI

Aircraft fuel tank

TOYOTA MOTOR CO LTD

Ignition timing control system for internal combustion engines

MITA INDUSTRIAL CO LTD

Image forming machine with cleaning drum brush driven by rotating drum