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Kanya Matsumoto
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Tokyo-to, JP
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Patents Grants
last 30 patents
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Patent Grant
Information presentation system and portable telephone apparatus wi...
Patent number
6,526,285
Issue date
Feb 25, 2003
Pioneer Electronic Corporation
Kanya Matsumoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information presentation system and portable telephone apparatus wi...
Patent number
6,272,332
Issue date
Aug 7, 2001
Pioneer Electronic Corporation
Kanya Matsumoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Disc player with objective lens arranged in a zigzag pattern
Patent number
6,262,964
Issue date
Jul 17, 2001
Pioneer Electronic Corporation
Hiroshi Yokota
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc player with alternating ascending/descending guide devices
Patent number
5,953,308
Issue date
Sep 14, 1999
Pioneer Electronic Corporation
Hiroshi Yokota
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc player with parallel objective lenses
Patent number
5,848,049
Issue date
Dec 8, 1998
Pioneer Electronic Corporation
Hiroshi Yokota
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc player and method of reproducing the same
Patent number
5,734,631
Issue date
Mar 31, 1998
Pioneer Electronic Corporation
Yuji Ikedo
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc player
Patent number
5,677,904
Issue date
Oct 14, 1997
Pioneer Electronic Corporation
Hiroshi Yokota
G11 - INFORMATION STORAGE
Information
Patent Grant
Pulling-in circuit for PLL circuit, pulling-in method for PLL circu...
Patent number
5,671,201
Issue date
Sep 23, 1997
Pioneer Electronic Corporation
Hiroshi Yokota
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for reproducing information recorded on CLV di...
Patent number
5,646,921
Issue date
Jul 8, 1997
Pioneer Electronic Corporation
Hiroshi Yokota
G11 - INFORMATION STORAGE
Information
Patent Grant
Pulling-in circuit for PLL circuit, pulling-in method for PLL circu...
Patent number
5,619,484
Issue date
Apr 8, 1997
Pioneer Electronic Corporation
Hiroshi Yokota
G11 - INFORMATION STORAGE
Information
Patent Grant
Exhibit explaining system activated by infrared signals
Patent number
5,461,371
Issue date
Oct 24, 1995
Pioneer Electronic Corporation
Kanya Matsumoto
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS