Inventor

YAMAZAKI HIROYUKI

JP163 patents

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

YAMAZAKI HIROYUKI

NEC CORP

Laser diode array and fabrication method thereof

Tunable laser

Wavelength tunable laser

Tunable dispersion compensator and method for tunable dispersion compensation

Optical resonator waveguide device and method of fabricating the same

Semiconductor optical modulator

Semiconductor laser with wide side of tapered light gain region

Optical functional integrated unit and method for manufacturing thereof

Tunable laser

Tunable laser, optical module, and control method thereof

Optical device and manufacturing method thereof

Tunable dispersion compensator and method for tunable dispersion compensation

Method for making semiconductor optical modulator

Waveguide-type optical splitter and waveguide-type optical module having the same

Waveguide type optical splitter and waveguide type optical module comprising the same

KONISHIROKU PHOTO IND

Objective lens for correcting chromatic aberration for use in recording to or reproducing from optical information recording medium and optical pickup apparatus therewith

Optical pickup apparatus

Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens

Light beam scanning device

Optical system for recording and reproducing for use in optical information recording medium

Information pick-up apparatus and optical disk apparatus

Optical pickup apparatus objective lens and converging optical system for optical pickup and optical disk apparatus

Information pick-up apparatus and optical disk apparatus

Facsimile apparatus including a supporting frame member and image holding member and image holding member formed as a detachable unit

Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens

TOKYO OHKA KOGYO CO LTD

Chemical-sensitization photoresist composition

Chemical-sensitization photoresist composition

Chemical-sensitization photoresist composition

Chemical-amplification-type negative resist composition and method for forming negative resist pattern

CANON KK

Image process apparatus, image process method and storage medium

Image processing apparatus and method and storage medium

Color image forming apparatus and method for controlling color image forming apparatus

MITSUBISHI HEAVY IND LTD

Inverter apparatus suitable for battery vehicle

Gas turbine, gas-turbine control device, and gas turbine operation method

NISSHIN FLOUR MILLING CO

Isoprene derivatives

Multidrug resistance inhibitors

HITACHI LTD

Liquid crystal display device

Liquid crystal display device

FURUKAWA ELECTRIC CO LTD

Weight sensor device

NHK SPRING CO LTD

Car-seat-occupant sensing device

TORAY INDUSTRIES

Polyester resin composition and molding product thereof

KOWA CO

LDL receptor analog protein and DNA coding therefor

NISSAN CHEMICAL IND LTD

Process for producing an alcohol by hydroformylation

DENSO CORP

Rotational phase adjusting apparatus resin seal

YAMAUCHI CORP

Pinch roller and pinch roller apparatus having a self-alignment function

NIPPON DENSO CO

Air passage changeover device

(unassigned)

Optical pickup apparatus with objective lens having a phase shift section

HIROSE ELECTRIC CO LTD

Electrical connector

OKI ELECTRIC IND CO LTD

Automatic frequency control circuit for coherent diversity reception

FUJIFILM CORP

Sheet stacking apparatus and sheet stacking method