Inventor
NISHIZAWA AKIRA
JP48 patents
⚠️ This page may combine multiple inventors who share the name “NISHIZAWA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VICTOR COMPANY OF JAPAN
25 patentsUS6873595B2Mar 29, 2005
Information recording medium having parallel grooves with alternating convex-concave sections
VICTOR COMPANY OF JAPAN39 citations96
US6693873B2Feb 17, 2004
Information recording medium having parallel grooves with alternating convex-concave sections
VICTOR COMPANY OF JAPAN65 citations96
US5078947AJan 7, 1992
Method and apparatus for the fabrication of optical record media such as a digital audio disc
VICTOR COMPANY OF JAPAN58 citations96
US6038208AMar 14, 2000
Information recording disc recorded with signals at two different recording densities
VICTOR COMPANY OF JAPAN83 citations95
US6168207B1Jan 2, 2001
Optical discs, producing methods and production apparatus of the optical discs
VICTOR COMPANY OF JAPAN24 citations92
US6083667AJul 4, 2000
Optical recording medium
VICTOR COMPANY OF JAPAN27 citations92
US5617408AApr 1, 1997
Optical recording medium having a disc with deformed pits
VICTOR COMPANY OF JAPAN24 citations92
US6154442ANov 28, 2000
Multilayered optical information-recording media laminated with thermal plastic resin sheets and process for manufacturing thereof
VICTOR COMPANY OF JAPAN20 citations84
US5781526AJul 14, 1998
Optical recording medium having a disc with deformed pits
VICTOR COMPANY OF JAPAN15 citations82
US7366083B2Apr 29, 2008
Information recording medium having substrate with microscopic pattern and reproducing apparatus therefor
VICTOR COMPANY OF JAPAN4 citations74
US6815032B2Nov 9, 2004
Optical disc
VICTOR COMPANY OF JAPAN9 citations74
US5883877AMar 16, 1999
Optical disk having a high density recording layer and a low density recording layer
VICTOR COMPANY OF JAPAN13 citations74
US5696754ADec 9, 1997
Optical disk having a high-density recording layer and a low density recording layer
VICTOR COMPANY OF JAPAN13 citations74
US5047445ASep 10, 1991
Electroconductive polymeric material
VICTOR COMPANY OF JAPAN14 citations74
US7580342B2Aug 25, 2009
Information recording medium having substrate with microscopic pattern and reproducing apparatus therefor
VICTOR COMPANY OF JAPAN1 citations63
US7139236B2Nov 21, 2006
Information recording medium having substrate with microscopic pattern and reproducing apparatus therefor
VICTOR COMPANY OF JAPAN1 citations63
US7011878B2Mar 14, 2006
Optical disc
VICTOR COMPANY OF JAPAN4 citations63
US6279959B1Aug 28, 2001
Optical discs, producing methods and production apparatus of the optical discs
VICTOR COMPANY OF JAPAN5 citations63
US4776935AOct 11, 1988
High density record including carbon black particles purified by electrolysis
VICTOR COMPANY OF JAPAN3 citations60
US7821912B2Oct 26, 2010
Information recording medium having substrate with microscopic pattern and reproducing apparatus therefor
VICTOR COMPANY OF JAPAN0 citations52
US7492698B2Feb 17, 2009
Information recording medium having substrate with microscopic pattern and reproducing apparatus therefor
VICTOR COMPANY OF JAPAN0 citations52
US7482049B2Jan 27, 2009
Optical disc
VICTOR COMPANY OF JAPAN0 citations52
US4827466AMay 2, 1989
Information signal recording medium electrostatic capacitance type
VICTOR COMPANY OF JAPAN1 citations52
US6942481B2Sep 13, 2005
Disk production apparatus and disk produced by disk production apparatus
VICTOR COMPANY OF JAPAN0 citations49
US4621007ANov 4, 1986
Information signal recording medium
VICTOR COMPANY OF JAPAN0 citations48
KYOCERA DOCUMENT SOLUTIONS INC
9 patentsUS11493453B2Nov 8, 2022
Belt inspection system, belt inspection method, and recording medium for belt inspection program
KYOCERA DOCUMENT SOLUTIONS INC2 citations73
US11768159B2Sep 26, 2023
Belt examination system and computer-readable non-transitory recording medium having stored belt examination program
KYOCERA DOCUMENT SOLUTIONS INC0 citations62
US11880969B2Jan 23, 2024
Belt examination system and computer-readable non-transitory recording medium having stored belt examination program
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US10091397B2Oct 2, 2018
System including image forming apparatus and lattice point group generating device that generates group of pre-color conversion lattice points to be contained in color conversion table used for conversion of colors in RGB color space to colors in CMYK color space in the image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations42
US9948831B2Apr 17, 2018
In/out-of-gamut determination system for acquiring cross-section of color gamut of image forming apparatus taken on specific plane
KYOCERA DOCUMENT SOLUTIONS INC0 citations42
US9716811B2Jul 25, 2017
Method and apparatus for obtaining cross-section of color gamut, and recording medium
KYOCERA DOCUMENT SOLUTIONS INC0 citations42
US9191552B2Nov 17, 2015
Image processing apparatus that performs color conversion and image processing method
KYOCERA DOCUMENT SOLUTIONS INC0 citations42
US8982417B2Mar 17, 2015
Image processing apparatus that prevents an occurrence of contouring, non-transitory computer-readable recording medium storing an image processing program, and image processing method
KYOCERA DOCUMENT SOLUTIONS INC0 citations42
US8804193B2Aug 12, 2014
Color conversion device, image-forming device, storing medium storing color conversion program and image-forming program and color conversion table
KYOCERA DOCUMENT SOLUTIONS INC0 citations42
JAPAN AEROSPACE EXPLORATION
7 patentsUS10023318B2Jul 17, 2018
Motorized aircraft and method for determining output and number of electric motors in motorized aircraft
JAPAN AEROSPACE EXPLORATION14 citations84
US10377500B2Aug 13, 2019
Electrified aircraft and method of controlling regenerative electric power of electrified aircraft
JAPAN AEROSPACE EXPLORATION8 citations82
US10882605B2Jan 5, 2021
Riblet structure and object
JAPAN AEROSPACE EXPLORATION2 citations65
US9180976B2Nov 10, 2015
Electric propulsion system control apparatus
JAPAN AEROSPACE EXPLORATION3 citations63
US12320306B2Jun 3, 2025
Electricity generation system and aircraft
JAPAN AEROSPACE EXPLORATION0 citations60
US12509238B2Dec 30, 2025
Electric aircraft and method for controlling aerodynamic performance thereof including distribution of lift in a wing
JAPAN AEROSPACE EXPLORATION0 citations47
US12545428B2Feb 10, 2026
Electric propulsion system control device
JAPAN AEROSPACE EXPLORATION0 citations45