Tsutomu Kai

Person

Katano City, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Inspection method for optical disc
- Patent number 9,959,901
- Issue date May 1, 2018
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Harumitsu Miyashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive apparatus
- Patent number 7,106,668
- Issue date Sep 12, 2006
- Matsushita Electric Industrial Co., Ltd.
- Takanori Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Stepping motor controlling method and disk apparatus
- Patent number 7,085,200
- Issue date Aug 1, 2006
- Matsushita Electric Industrial Co., Ltd.
- Takanori Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk, method of reproducing and copying optical disk, and m...
- Patent number 6,992,959
- Issue date Jan 31, 2006
- Matsushita Electric Industrial Co., Ltd.
- Yoshihiro Tosaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording method and information recording apparatus
- Patent number 6,950,377
- Issue date Sep 27, 2005
- Matsushita Electric Industial Co., Ltd.
- Takumi Matsuura
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording apparatus using a mark edge recording
- Patent number 6,925,041
- Issue date Aug 2, 2005
- Matsushita Electric Industrial Co., Ltd.
- Tsutomu Kai
- G11 - INFORMATION STORAGE
Information Patent Grant
Stepping motor control method and disk drive apparatus
- Patent number 6,654,321
- Issue date Nov 25, 2003
- Matsushita Electric Industrial Co., Ltd.
- Takanori Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing device
- Patent number 6,434,096
- Issue date Aug 13, 2002
- Matsushita Electric Industrial Co., Ltd.
- Noritaka Akagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Stepping motor control method and disk drive apparatus
- Patent number 6,249,495
- Issue date Jun 19, 2001
- Matsushita Electric Industrial Co., Ltd.
- Takanori Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Display-integrated coordinate input device
- Patent number 5,940,064
- Issue date Aug 17, 1999
- Matsushita Electric Industrial Co., Inc.
- Tsutomu Kai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Coordinate input device
- Patent number 5,606,346
- Issue date Feb 25, 1997
- Matsushita Electric Industrial Co., Ltd.
- Tsutomu Kai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Imaging apparatus having a counterfeiting prevention function
- Patent number 5,502,575
- Issue date Mar 26, 1996
- Matsushita Electric Industrial Co., Ltd.
- Tsutomu Kai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Line image sensor
- Patent number 5,285,295
- Issue date Feb 8, 1994
- Matsushita Electric Industrial Co., Ltd.
- Tsutomu Kai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
INSPECTION METHOD FOR OPTICAL DISC
- Publication number 20180102139
- Publication date Apr 12, 2018
- Panasonic Intellectual Property Management Co., Ltd.
- Harumitsu MIYASHITA
- G11 - INFORMATION STORAGE
Information Patent Application
Signal processing device for optical discs
- Publication number 20070047926
- Publication date Mar 1, 2007
- Katsumi Morita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Disk drive apparatus
- Publication number 20050083800
- Publication date Apr 21, 2005
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Takanori Okada
- G11 - INFORMATION STORAGE
Information Patent Application
Stepping motor controlling method and disk apparatus
- Publication number 20050047290
- Publication date Mar 3, 2005
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Takanori Okada
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording method and information recording apparatus
- Publication number 20040027949
- Publication date Feb 12, 2004
- Takumi Matsuura
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive apparatus
- Publication number 20030198150
- Publication date Oct 23, 2003
- Matsushita Electric Industrial Co., Ltd.
- Takanori Okada
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording apparatus, information recording method and i...
- Publication number 20020186633
- Publication date Dec 12, 2002
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Tsutomu Kai
- G11 - INFORMATION STORAGE
Information Patent Application
Stepping motor control method and disk drive apparatus
- Publication number 20010017824
- Publication date Aug 30, 2001
- Matsushita Electric Industrial Co., Ltd.
- Takanori Okada
- G11 - INFORMATION STORAGE

Tsutomu Kai

Person

Patents Grantslast 30 patents

Inspection method for optical disc

Disk drive apparatus

Stepping motor controlling method and disk apparatus

Optical disk, method of reproducing and copying optical disk, and m...

Information recording method and information recording apparatus

Information recording apparatus using a mark edge recording

Stepping motor control method and disk drive apparatus

Optical information recording/reproducing device

Stepping motor control method and disk drive apparatus

Display-integrated coordinate input device

Coordinate input device

Imaging apparatus having a counterfeiting prevention function

Line image sensor

Patents Applicationslast 30 patents

INSPECTION METHOD FOR OPTICAL DISC

Signal processing device for optical discs

Disk drive apparatus

Stepping motor controlling method and disk apparatus

Information recording method and information recording apparatus

Disk drive apparatus

Information recording apparatus, information recording method and i...

Stepping motor control method and disk drive apparatus