Inventor

YAMAMOTO KOHJI

JP16 patents

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

YAMAMOTO KOHJI

3 patents

US10075845B2Sep 11, 2018

Authentication system, terminal apparatus, and authentication method

YAMAMOTO KOHJI2 citations65

US10291824B2May 14, 2019

Image processing device and method for conducting image formation of a masked read image

YAMAMOTO KOHJI1 citations55

US8305613B2Nov 6, 2012

Server device, image forming apparatus, and image processing system for image processing in a thin client system

YAMAMOTO KOHJI0 citations38

RICOH CO LTD

2 patents

US8384946B2Feb 26, 2013

Image forming apparatus, method, and computer product for positioning images of different size on a given paper size

RICOH CO LTD2 citations60

US8369731B2Feb 5, 2013

Image forming apparatus and method of charging usage fee of image forming apparatus

RICOH CO LTD0 citations41

SAKAI CHEMICAL INDUSTRY CO

1 patent

US6113873ASep 5, 2000

Stable anatase titanium dioxide and process for preparing the same

SAKAI CHEMICAL INDUSTRY CO31 citations89

BABCOCK HITACHI KK

1 patent

US4709155ANov 24, 1987

Flame detector for use with a burner

BABCOCK HITACHI KK110 citations89

OMRON TATEISI ELECTRONICS CO

1 patent

US5563070AOct 8, 1996

Method of counting reticulocytes

OMRON TATEISI ELECTRONICS CO35 citations88

TOHKEM PRODUCTS CORP

1 patent

US6126915AOct 3, 2000

Titanium dioxide reduced in volatile water content, process for producing the same, and masterbatch containing the same

TOHKEM PRODUCTS CORP25 citations83

MATSUTANI SEISAKUSHO

1 patent

US5823775AOct 20, 1998

Practical cutting bur and method of training using same for the cutting of human teeth

MATSUTANI SEISAKUSHO9 citations71

MITSUBISHI GAS CHEMICAL CO

1 patent

US4306056ADec 15, 1981

Process for producing an oligoester and producing unsaturated polyester resin by use thereof

MITSUBISHI GAS CHEMICAL CO7 citations71

HIRAKAWA TAKAHIRO

1 patent

US8488166B2Jul 16, 2013

Printing system, printing device, program and storage medium

HIRAKAWA TAKAHIRO2 citations55

YOSHIHASHI Ryohsuke

1 patent

US11887391B2Jan 30, 2024

Information processing system, data output system, image processing method, and recording medium

YOSHIHASHI Ryohsuke0 citations40

KUBO NAOHIKO

1 patent

US8736892B2May 27, 2014

Image forming apparatus for detecting error and transforming print data into another transformation data

KUBO NAOHIKO0 citations39

YOSHIZUMI TAKESHI

1 patent

US8564800B2Oct 22, 2013

Printing system, printing apparatus, computer program, and storage medium

YOSHIZUMI TAKESHI0 citations39

KATOH MASAYA

1 patent

US10205344B2Feb 12, 2019

Power display system, image processing apparatus, and user interface

KATOH MASAYA0 citations31