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Mamoru Maeda
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus with specific document determining module a...
Patent number
7,038,228
Issue date
May 2, 2006
Ricoh Company, Ltd.
Yutaka Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Specific document determining apparatus including a microwave sensor
Patent number
6,949,757
Issue date
Sep 27, 2005
Ricoh Company, Ltd.
Yutaka Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus with specific document module having a micr...
Patent number
6,696,696
Issue date
Feb 24, 2004
Ricoh Company, Ltd.
Yutaka Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Specific document determining apparatus, image reading apparatus, s...
Patent number
6,025,603
Issue date
Feb 15, 2000
Ricoh Company, Ltd.
Yutaka Hasegawa
G07 - CHECKING-DEVICES
Information
Patent Grant
Semiconductor device having a region doped to a level exceeding the...
Patent number
5,518,937
Issue date
May 21, 1996
Fujitsu Limited
Yuji Furumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor device having a region dope...
Patent number
5,270,224
Issue date
Dec 14, 1993
Fujitsu Limited
Yuji Furumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having thin film wiring layer of aluminum cont...
Patent number
5,148,259
Issue date
Sep 15, 1992
Fujitsu Limited
Takashi Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having a region doped to a level exceeding the...
Patent number
5,111,266
Issue date
May 5, 1992
Fujitsu Limited
Yuji Furumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of selectively depositing tungsten upon a semiconductor subs...
Patent number
4,804,560
Issue date
Feb 14, 1989
Fujitsu Limited
Yoshimi Shioya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for plasma chemical vapor deposition
Patent number
4,625,678
Issue date
Dec 2, 1986
Fujitsu Limited
Yoshimi Shioya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for coating a semiconductor device with a phosphosilicate glass
Patent number
4,513,026
Issue date
Apr 23, 1985
Fujitsu Limited
Hidekazu Miyamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of plasma enhanced chemical vapor deposition of phosphosilic...
Patent number
4,394,401
Issue date
Jul 19, 1983
Fujitsu Limited
Yoshimi Shioya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Picture transfer method and apparatus therefor
Patent number
4,366,506
Issue date
Dec 28, 1982
Kabushiki Kaisha Ricoh
Koichi Ejiri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Process of producing semiconductor devices by forming a silicon oxy...
Patent number
4,363,868
Issue date
Dec 14, 1982
Fujitsu Limited
Kanetake Takasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for high pressure oxidation of silicon
Patent number
4,293,589
Issue date
Oct 6, 1981
Fujitsu Limited
Mikio Takagi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process for high pressure oxidation of silicon
Patent number
4,293,590
Issue date
Oct 6, 1981
Fujitsu Limited
Mikio Takagi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process for high pressure oxidation of silicon
Patent number
4,275,094
Issue date
Jun 23, 1981
Fujitsu Limited
Mikio Takagi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Digital copying machine
Patent number
4,271,436
Issue date
Jun 2, 1981
Ricoh Co., Ltd.
Morio Kurose
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Process for producing epitaxial layers
Patent number
4,263,087
Issue date
Apr 21, 1981
Fujitsu Limited
Kaoru Tanabe
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
Specific document determining apparatus, image reading apparatus, s...
Publication number
20040075066
Publication date
Apr 22, 2004
Yutaka Hasegawa
G07 - CHECKING-DEVICES
Information
Patent Application
Image forming apparatus with specific document determining module a...
Publication number
20040046988
Publication date
Mar 11, 2004
Yutaka Hasegawa
G07 - CHECKING-DEVICES