P

Inventor

TOYAMA HIROSHI

JP54 patents
⚠️ This page may combine multiple inventors who share the name “TOYAMA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO EPSON CORP

18 patents
US7058326B2Jun 6, 2006

Color image forming apparatus

SEIKO EPSON CORP20 citations92
US7944463B2May 17, 2011

Light scanning apparatus, image forming apparatus equipped with such light scanning apparatus, and control method or image forming method for such image forming apparatus

SEIKO EPSON CORP7 citations84
US7405743B2Jul 29, 2008

Image forming method and apparatus

SEIKO EPSON CORP10 citations84
US11173727B2Nov 16, 2021

Printing apparatus and printing method

SEIKO EPSON CORP2 citations73
US10093116B2Oct 9, 2018

Printing apparatus and printing method

SEIKO EPSON CORP2 citations73
US11267272B2Mar 8, 2022

Printing apparatus

SEIKO EPSON CORP0 citations63
US8023847B2Sep 20, 2011

Image forming apparatus and image forming method

SEIKO EPSON CORP4 citations63
US7920156B2Apr 5, 2011

Image forming apparatus, image forming method and data control device

SEIKO EPSON CORP2 citations63
US7626606B2Dec 1, 2009

Light scanning apparatus, image forming apparatus equipped with such light scanning apparatus, and control method or image forming method for such image forming apparatus

SEIKO EPSON CORP2 citations63
US7508407B2Mar 24, 2009

Light scanning apparatus, image forming apparatus equipped with such light scanning apparatus, and control method or image forming method for such image forming apparatus

SEIKO EPSON CORP3 citations63
US7358019B2Apr 15, 2008

Developing process and image forming process

SEIKO EPSON CORP2 citations63
US7041423B2May 9, 2006

Developing method and image forming method

SEIKO EPSON CORP4 citations63
US6730449B2May 4, 2004

Toner and image forming apparatus using the same

SEIKO EPSON CORP3 citations63
US7031646B2Apr 18, 2006

Developing device

SEIKO EPSON CORP2 citations59
US7834897B2Nov 16, 2010

Optical scanning apparatus, control method of such apparatus, and image forming apparatus

SEIKO EPSON CORP1 citations52
US7815276B2Oct 19, 2010

Image forming method and apparatus

SEIKO EPSON CORP0 citations52
US6838219B2Jan 4, 2005

Toner and image forming apparatus using the same

SEIKO EPSON CORP0 citations52
US12240225B2Mar 4, 2025

Printing apparatus

SEIKO EPSON CORP0 citations51

HITACHI LTD

8 patents

OKI DATA KK

5 patents

MICRON TECHNOLOGY INC

5 patents

MAKINO MILLING MACHINE

3 patents

VOLVO TRUCK CORP

2 patents

HITACHI HIGH TECH CORP

2 patents

IWABUCHI YUKO

2 patents

DENSO ELECS CO LTD

1 patent

NAKAMURA MITSUHIRO

1 patent

NAKAMURA YUKIO

1 patent

OBUKI TOMOHARU

1 patent

NOMURA YUJIRO

1 patent

Showing the top 50 of 54 patents by PatentIndex Score.