Inventor
MARUYAMA MASANORI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “MARUYAMA MASANORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
13 patentsUS5949484ASep 7, 1999
Portable terminal apparatus for multimedia communication
HITACHI LTD171 citations99
US6028631AFeb 22, 2000
Portable terminal apparatus for multimedia communication
HITACHI LTD60 citations96
US4427917AJan 24, 1984
Television camera tube with electrostatic focusing
HITACHI LTD7 citations72
US4467243AAug 21, 1984
Electron gun
HITACHI LTD9 citations71
US4792721ADec 20, 1988
Cathode-ray tube with electrostatic deflection
HITACHI LTD4 citations62
US4560899ADec 24, 1985
Electron beam focusing lens
HITACHI LTD2 citations61
US4363996ADec 14, 1982
Vidicon type camera tube
HITACHI LTD4 citations61
US4701679AOct 20, 1987
Method of and apparatus for controlling amount of electron beam in image pickup tube
HITACHI LTD1 citations52
US4701668AOct 20, 1987
Cylindrical image pickup tube having electrostatic deflection electrodes formed of straight line pattern yokes
HITACHI LTD1 citations51
US4354138AOct 12, 1982
Television camera tube with electrostatic focusing and magnetic deflection
HITACHI LTD0 citations51
US4713588ADec 15, 1987
Image pickup tube
HITACHI LTD1 citations49
US4716468ADec 29, 1987
Apparatus for controlling the electron beam in a television camera tube
HITACHI LTD1 citations48
US4866337ASep 12, 1989
Image pick-up tube with electrostatic deflecting electrode structure
HITACHI LTD0 citations40
MITSUBISHI HEAVY IND LTD
5 patentsUS10081259B2Sep 25, 2018
Charging facility and energy management method for charging facility
MITSUBISHI HEAVY IND LTD2 citations65
US10547181B2Jan 28, 2020
Charging and discharging control device, charging and discharging control system, charging and discharging control method, and non-transitory computer readable medium with charging and discharging control program recorded therein
MITSUBISHI HEAVY IND LTD1 citations62
US10464441B2Nov 5, 2019
Charging facility and energy management method for charging facility
MITSUBISHI HEAVY IND LTD1 citations55
US11223209B2Jan 11, 2022
Control device for distributed power supply system, distributed power supply system, and control program of distributed power supply system
MITSUBISHI HEAVY IND LTD0 citations52
US12328076B2Jun 10, 2025
Bidirectional DC-DC converter, traffic system, control method, and non-transitory computer-readable storage medium
MITSUBISHI HEAVY IND LTD0 citations49
GRAPHICS COMMUNICATION TECH
3 patentsUS5142361AAug 25, 1992
Motion vector detecting apparatus for video telephone/teleconference systems
GRAPHICS COMMUNICATION TECH37 citations91
US5253054AOct 12, 1993
Frame skip encoding apparatus for moving images
GRAPHICS COMMUNICATION TECH37 citations89
US5241401AAug 31, 1993
Image signal encoding apparatus and method for controlling quantization step size in accordance with frame skip numbers
GRAPHICS COMMUNICATION TECH23 citations89