Inventor

YOKOYAMA HIROYUKI

JP62 patents

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

YOKOYAMA HIROYUKI

NEC CORP

Mode-locked semiconductor laser and method of driving the same

Multiple-cavity semiconductor laser capable of generating ultrashort light pulse train with ultrahigh repetition rate

Optical functional amplifying method and optical functional amplifying device

Method and apparatus for inducing photochemical reaction

Generation of optical pulse train having high repetition rate using mode-locked laser

Optical repeater using two mode-locked laser diodes for regenerating output pulses of same wavelength as incident optical pulses

Mode locking semiconductor laser system including external cavity

Optical measurement of target-light waveform

SANDEN CORP

Scroll-type compressor with variable displacement mechanism

Scroll type compressor which requires no flange portions or holes for solely positioning purposes

Heating device and method for manufacturing heating device

Heating device

Compressor with dual pathways for returning lubricating oil

Scroll compressor and air-conditioning system for vehicle using the scroll compressor

ROLAND CORP

Wireless communication device and wireless communication method

Wireless communication device, wireless communication method, and non-transitory computer-readable storage medium

Musical instrument controller, electronic musical instrument system, and control method thereof

Wireless communication device, electronic device, and wireless communication method

Wireless communication device and lamp control thereof

WATANABE HIDEKI

Self-oscillating semiconductor laser device and driving method thereof

Submount, submount assembly, and submount assembling method

Bi-section semiconductor laser device, method for manufacturing the same, and method for driving the same

Bi-section semiconductor laser device, method for manufacturing the same, and method for driving the same

SHISEIDO CO LTD

Composite powder and production process

Magnesium aluminometasilicate coated composite powder and use thereof

Composite powder and cosmetic containing the same

SEIKO EPSON CORP

Image pickup device for judging and displaying hand-waggling level and cellular phone using the same

Imaging apparatus and portable device and portable telephone using same

Imaging apparatus and portable device and portable telephone using same

KDDI CORP

Reflection routing method in optical packet switching network and optical packet switch for reflection routing

System with node apparatuses in IP/WDM network

Optical cross-connect with path selecting function

MURATA MACHINERY LTD

Flatness measurement unit

Storage rack for storing containers

OKI TOMOYUKI

Laser diode element assembly and method of driving the same

Mode-locked semiconductor laser device and driving method thereof

SONY CORP

Semiconductor optical amplifier

Laser diode assembly

KOKUSAI DENSHIN DENWA CO LTD

Call setup control apparatus in ATM switch

TOHOKU TECHNO ARCH CO LTD

Pulse laser beam generating device

KURAMOTO MASARU

Semiconductor optical amplifier

SUMITOMO CHEMICAL CO

Indium tin oxide sol composition

SUWA SEIKOSHA KK

Electronic timepiece

JFE STEEL CORP

Continuous annealing system and continuous annealing method

NAT INST OF ADVANCED IND SCIEN

Electronic media communication apparatus

OOTA MAKOTO

Laser diode, optical disk device and optical pickup

YOKOYAMA HIROYUKI

Method of driving laser diode device and laser diode equipment

KONO SHUNSUKE

Laser diode assembly

SATO SHUNICHI

Microscope apparatus, optical pickup apparatus and light irradiation apparatus

YOSHIKAWA NORINOBU

Composite powders and skin preparations for external use containing the same