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Takamasa Hayashi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus and replaceable part and IC chip for the same
Patent number
7,362,466
Issue date
Apr 22, 2008
Ricoh Company, Ltd.
Toshitaka Semma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and replaceable part and integrated circuit...
Patent number
7,221,467
Issue date
May 22, 2007
Ricoh Company, Ltd.
Takamasa Hayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Double-sided image forming apparatus and method
Patent number
7,016,636
Issue date
Mar 21, 2006
Ricoh Company, Ltd.
Takamasa Hayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with a scanner and method of controlling th...
Patent number
5,557,707
Issue date
Sep 17, 1996
Ricoh Company, Ltd.
Yoshiya Inoue
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image forming apparatus with plural dot densities
Patent number
5,146,240
Issue date
Sep 8, 1992
Ricoh Company, Ltd.
Takamasa Hayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image forming apparatus capable of forming an image by dots having...
Patent number
5,144,337
Issue date
Sep 1, 1992
Ricoh Company, Ltd.
Tomoatsu Imamura
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Double-sided image forming apparatus and method
Publication number
20040170452
Publication date
Sep 2, 2004
RICOH COMPANY, LTD.
Takamasa Hayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming system that can output documents stored in remote app...
Publication number
20040117389
Publication date
Jun 17, 2004
Takashi Enami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image forming apparatus and replaceable part and integrated circuit...
Publication number
20020063890
Publication date
May 30, 2002
Takamasa Hayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and replaceable part and IC chip for the same
Publication number
20020064389
Publication date
May 30, 2002
Toshitaka Semma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY