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Patents Grants
last 30 patents
Information
Patent Grant
Speaker apparatus
Patent number
7,801,324
Issue date
Sep 21, 2010
Pioneer Corporation
Yoshihiro Kimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speaker apparatus
Patent number
7,706,560
Issue date
Apr 27, 2010
Pioneer Corporation
Koji Takayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for manufacturing diaphragm for use in electroacoustic trans...
Patent number
7,704,428
Issue date
Apr 27, 2010
Pioneer Corporation
Koji Takayama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Dome-shaped diaphragm and speaker
Patent number
7,577,270
Issue date
Aug 18, 2009
Pioneer Corporation
Minoru Horigome
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Masks for forming strengthened electrodes of a light emission displ...
Patent number
6,948,994
Issue date
Sep 27, 2005
Pioneer Electronic Corporation
Satoshi Miyaguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for manufacturing a light emission display panel
Patent number
6,921,309
Issue date
Jul 26, 2005
Pioneer Electronic Corporation
Satoshi Miyaguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Speaker device and associated method for manufacturing the speaker...
Patent number
6,788,799
Issue date
Sep 7, 2004
Pioneer Electronic Corporation
Toshihiro Ishigaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Loudspeaker
Patent number
6,597,798
Issue date
Jul 22, 2003
Pioneer Electronics Corporation
Jiro Nakazono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Text information reproducing apparatus
Patent number
6,473,376
Issue date
Oct 29, 2002
Pioneer Electronic Corporation
Masayuki Tsuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Display panel using organic electroluminescent material and method...
Patent number
6,373,187
Issue date
Apr 16, 2002
Pioneer Electronic Corporation
Kenichi Nagayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for reproducing an optical disc
Patent number
6,373,795
Issue date
Apr 16, 2002
Pioneer Electronic Corporation
Kaoru Takemasa
G11 - INFORMATION STORAGE
Information
Patent Grant
Speaker apparatus and manufacturing method thereof
Patent number
6,343,136
Issue date
Jan 29, 2002
Pioneer Electronic Corporation
Takeshi Tokusho
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical pickup device
Patent number
6,317,277
Issue date
Nov 13, 2001
Pioneer Electronic Corporation
Ryuji Izumino
G11 - INFORMATION STORAGE
Information
Patent Grant
Organic EL display panel having a conductive high polymer layer bet...
Patent number
6,285,124
Issue date
Sep 4, 2001
Pioneer Electronic Corporation
Kenichi Nagayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Reproducing apparatus with improved access to text information
Patent number
6,262,956
Issue date
Jul 17, 2001
Pioneer Electronic Corporation
Masayuki Tsuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Loudspeaker
Patent number
6,236,733
Issue date
May 22, 2001
Pioneer Electronic Corporation
Toshifumi Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dome speaker
Patent number
6,154,556
Issue date
Nov 28, 2000
Pioneer Electronic Corporation
Osamu Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Organic electroluminescent display with protective film and trapezo...
Patent number
6,137,220
Issue date
Oct 24, 2000
Tohoku Pioneer Electronic
Kenichi Nagayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescent display device
Patent number
6,104,137
Issue date
Aug 15, 2000
Pioneer Electronic Corporation
Hirosi Abiko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for driving electroluminescence device and method of driv...
Patent number
6,061,041
Issue date
May 9, 2000
Pioneer Electronic Corporation
Takayoshi Yoshida
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Methods for making a loudspeaker vibrating diaphragm
Patent number
6,030,561
Issue date
Feb 29, 2000
Pioneer Electronics Corporation
Masatoshi Sato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Speaker damper
Patent number
5,999,633
Issue date
Dec 7, 1999
Pioneer Electronic Corporation
Toshihiko Imai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speaker unit and a method for manufacturing the same
Patent number
5,892,185
Issue date
Apr 6, 1999
Pioneer Electronic Corporation
Osamu Takahashi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Organic EL element
Patent number
5,882,761
Issue date
Mar 16, 1999
Pioneer Electronic Corporation
Shin Kawami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Loudspeaker
Patent number
5,822,444
Issue date
Oct 13, 1998
Pioneer Electronic Corporation
Hiroya Oizumi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Organic electroluminescence device
Patent number
5,814,935
Issue date
Sep 29, 1998
Pioneer Electronic Corp.
Takashi Ujihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Loudspeaker vibrating diaphragm and methods for its production
Patent number
5,793,002
Issue date
Aug 11, 1998
Pioneer Electronic Corporation
Masatoshi Sato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Damper for speaker
Patent number
5,790,682
Issue date
Aug 4, 1998
Pioneer Electronic Corporation
Satoshi Hachiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Loading/ejecting mechanism for a tape recorder
Patent number
5,754,362
Issue date
May 19, 1998
Pioneer Electronic Corporation
Tsuyoshi Konta
G11 - INFORMATION STORAGE
Information
Patent Grant
Diaphragm for electro-dynamic type loudspeakers
Patent number
5,587,562
Issue date
Dec 24, 1996
Tohoku Pioneer Electronic Corporation
Masatoshi Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Light emission display panel
Publication number
20030201715
Publication date
Oct 30, 2003
Pioneer Electronic Corporation
Satoshi Miyaguchi
H01 - BASIC ELECTRIC ELEMENTS
Trademark
last 30 trademarks