P

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 patents
US6873595B2Mar 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 patents
US11493453B2Nov 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 patents

MITSUBISHI ELECTRIC CORP

2 patents

JVC VICTOR CO JAPAN LTD

1 patent

HONDA MOTOR CO LTD

1 patent

NIPPON ZEON CO

1 patent

KYOCERA MITA CORP

1 patent

JVC VICTOR CO OF JAPAN

1 patent