Inventor

SEKI HIROYUKI

JP184 patents

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

SEKI HIROYUKI

FUJITSU LTD

Array antenna system of wireless base station

Signal to interference power ratio measuring apparatus and signal to interference power ratio measuring method as well as transmission power controlling method under CDMA communication system

Multistage interference canceller

Interference canceller equipment and interference cancelling method for use in a multibeam-antenna communication system

Coherent detecting method using a pilot symbol and a tentatively determined data symbol, a mobile communication receiver and an interference removing apparatus using the coherent detecting method

Radio base station in cellular mobile communication system

Transmitter and transmission method

Communications device with doppler frequency estimation functions

Mobile communication system and communication method for mobile communication system

Propagation path-estimation method for an interference canceler and interference elimination apparatus

Demodulator

Pilot signal transmission method and mobile communication system

Signal to interference power ratio measuring apparatus and signal to interference power ratio measuring method as well as transmission power controlling method under CDMA communication system

Linear amplifier for amplifying a composite signal of plural frequency components

Control channel transmitting method, receiving method, base station and terminal

Transmitting apparatus and receiving apparatus for controlling retransmission of communication data and information communication method using the same

OFDM communication system and OFDM communication method

Multiple-input multiple-output transmission system

Data transmission system and method transmitting channel quality indicators in variable format

Wireless communication system and wireless communication method

Mobile communication system and communication method for mobile communication system

Interference canceller

CANON KK

Vibration wave motor

Linear vibration wave motor

Vibration wave driven motor and method of producing same

Vibration driven motor apparatus

Vibration driven apparatus

Vibration wave driven motor

Vibration wave driven linear-motor or printer

Vibration wave motor

Vibration wave motor

Vibration wave driving device

Control apparatus and program

Vibration member and vibration wave driving apparatus using the vibration member

Image forming apparatus with cleaning using cleaning member and charging member

SEKI HIROYUKI

Method and system for CPRI cascading in distributed radio head architectures

Hydrotreating catalyst, process for producing same, and process for hydrotreating hydrocarbon oil

Evaporative emissions canister arrangement for a motorcycle, and motorcycle incorporating same

Vibration-type driving apparatus

Sheet feeder and image forming apparatus using the same

Wireless communication system and wireless communication method

Arrangement structure for evaporated fuel treatment device of saddle-type vehicle, and vehicle incorporating same

FUJI PHOTO FILM CO LTD

Processing composition for silver halide color photographic material and processing process including that composition

SHIMOMURA TSUYOSHI

Radio communication system, base station and random access channel transmission method thereof

RICOH PRINTING SYS LTD

Fixing device and image forming apparatus with guide having adjustable biasing angle

TOTO LTD

Solenoid and solenoid valve

TSUTSUI MASAFUMI

Wireless transmission method, and wireless transmitter and wireless receiver

OLYMPUS CORP

Optical element manufacturing method and surface processing device

NISHIMOTO KEIJI

Optical article and optical article production method

SUDA KENJI

Wireless communication system and wireless communication method