Membership
Tour
Register
Log in
Hirohito Watanabe
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Nonvolatile semiconductor storage unit and production method therefor
Patent number
7,880,215
Issue date
Feb 1, 2011
NEC Corporation
Hirohito Watanabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device and manufacturing method thereof
Patent number
7,838,945
Issue date
Nov 23, 2010
NEC Corporation
Motofumi Saitoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having high dielectric constant layers of diff...
Patent number
7,759,744
Issue date
Jul 20, 2010
NEC Electronics Corporation
Naohiko Kimizuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device, production method and production device thereof
Patent number
7,679,148
Issue date
Mar 16, 2010
NEC Corporation
Heiji Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device
Patent number
7,238,996
Issue date
Jul 3, 2007
NEC Electronics Corporation
Naohiko Kimizuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nonvolatile semiconductor memory utilizing polarization of ferroele...
Patent number
6,515,322
Issue date
Feb 4, 2003
NEC Corporation
Hirohito Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing thin film capacitor
Patent number
6,225,133
Issue date
May 1, 2001
NEC Corporation
Shintaro Yamamichi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for forming a capacitor incorporated in a semiconductor device
Patent number
6,146,966
Issue date
Nov 14, 2000
NEC Corporation
Toshiyuki Hirota
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for producing a semiconductor device having hemispherical g...
Patent number
6,140,204
Issue date
Oct 31, 2000
NEC Corporation
Hirohito Watanabe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of manufacturing a semiconductor memory device with a stacke...
Patent number
6,054,360
Issue date
Apr 25, 2000
NEC Corporation
Hirohito Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process of selectively producing refractory metal silicide uniform...
Patent number
6,033,978
Issue date
Mar 7, 2000
NEC Corporation
Kunihiro Fujii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vapor selective etching method and apparatus
Patent number
6,024,888
Issue date
Feb 15, 2000
NEC Corporation
Hirohito Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Stacked capacitor having a corrugated electrode
Patent number
6,022,772
Issue date
Feb 8, 2000
NEC Corporation
Hirohito Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing silicon layer having surface controlled to be u...
Patent number
5,989,969
Issue date
Nov 23, 1999
NEC Corporation
Hirohito Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nonvolatile semiconductor memory device and manufacturing method of...
Patent number
5,973,355
Issue date
Oct 26, 1999
NEC Corporation
Hiroki Shirai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nonvolatile semiconductor memory device and manufacturing method of...
Patent number
5,972,750
Issue date
Oct 26, 1999
NEC Corporation
Hiroki Shirai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Capacitor incorporated in semiconductor device having a lower elect...
Patent number
5,959,326
Issue date
Sep 28, 1999
NEC Corporation
Fumiki Aiso
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing silicon layer having surface controlled to be u...
Patent number
5,910,019
Issue date
Jun 8, 1999
NEC Corporation
Hirohito Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for capturing gaseous impurities and semiconductor device ma...
Patent number
5,863,602
Issue date
Jan 26, 1999
NEC Corporation
Hirohito Watanabe
B08 - CLEANING
Information
Patent Grant
Method of manufacturing a semiconductor device wherein one of capac...
Patent number
5,837,594
Issue date
Nov 17, 1998
NEC Corporation
Ichiroh Honma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Stacked capacitor having a corrugated electrode
Patent number
5,835,337
Issue date
Nov 10, 1998
NEC Corporation
Hirohito Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device wherein one of capacitor electrodes comprises...
Patent number
5,753,949
Issue date
May 19, 1998
NEC Corporation
Ichiroh Honma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for fabricating polycrystalline silicon having micro roughne...
Patent number
5,723,379
Issue date
Mar 3, 1998
NEC Corporation
Hirohito Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for fabricating polycrystalline silicon having micro roughne...
Patent number
5,691,249
Issue date
Nov 25, 1997
NEC Corporation
Hirohito Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of fabricating semiconductor device having low-resistance ga...
Patent number
5,661,052
Issue date
Aug 26, 1997
NEC Corporation
Ken Inoue
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
HF vapor selective etching method and apparatus
Patent number
5,658,417
Issue date
Aug 19, 1997
NEC Corporation
Hirohito Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having polycrystalline silicon layer with unev...
Patent number
5,623,243
Issue date
Apr 22, 1997
NEC Corporation
Hirohito Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing semiconductor device with insulating film havin...
Patent number
5,397,748
Issue date
Mar 14, 1995
NEC Corporation
Hirohito Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making a semiconductor integrated circuit device having a...
Patent number
5,372,962
Issue date
Dec 13, 1994
NEC Corporation
Toshiyuki Hirota
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for fabricating polycrystalline silicon having micro roughne...
Patent number
5,366,917
Issue date
Nov 22, 1994
NEC Corporation
Hirohito Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
Publication number
20090096032
Publication date
Apr 16, 2009
NEC Corporation
Motofumi Saitoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and production method therefor
Publication number
20080203500
Publication date
Aug 28, 2008
NEC Corporation
Takashi Ogura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nonvolatile Semiconductor Storage Unit and Production Method Therefor
Publication number
20080144377
Publication date
Jun 19, 2008
Hirohito Watanabe
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor device and production method therefor
Publication number
20060131670
Publication date
Jun 22, 2006
Takashi Ogura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device
Publication number
20050263802
Publication date
Dec 1, 2005
NEC ELECTRONICS CORPORATION
Naohiko Kimizuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device
Publication number
20050253181
Publication date
Nov 17, 2005
NEC ELECTRONICS CORPORATION
Naohiko Kimizuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device, production method and production device thereof
Publication number
20050233526
Publication date
Oct 20, 2005
Heiji Watanabe
H01 - BASIC ELECTRIC ELEMENTS