Jun Akiyama

Person

Kashihara-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical information recording medium reproducing apparatus, method...
- Patent number 8,514,674
- Issue date Aug 20, 2013
- Sharp Kabushiki Kaisha
- Masaki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Storage medium managing device, storage medium managing program, an...
- Patent number 8,036,073
- Issue date Oct 11, 2011
- Sharp Kabushiki Kaisha
- Jun Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage medium reproducing device and method for reproducing d...
- Patent number 7,974,168
- Issue date Jul 5, 2011
- Sharp Kabushiki Kaisha
- Jun Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproduction device and method wherein detection of sub-data genera...
- Patent number 7,564,756
- Issue date Jul 21, 2009
- Sharp Kabushiki Kaisha
- Jun Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal evaluation devices and signal evaluation methods, signal qua...
- Patent number 7,206,351
- Issue date Apr 17, 2007
- Sharp Kabushiki Kaisha
- Tetsuya Okumura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus and method for adjusting optical disk appara...
- Patent number 7,126,894
- Issue date Oct 24, 2006
- Sharp Kabushiki Kaisha
- Jun Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal evaluation apparatus and signal evaluation method
- Patent number 7,080,313
- Issue date Jul 18, 2006
- Sharp Kabushiki Kaisha
- Jun Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk, optical reproduction device, and optical recording de...
- Patent number 6,909,677
- Issue date Jun 21, 2005
- Sharp Kabushiki Kaisha
- Jun Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproducing light quantity control method for optical memory device...
- Patent number 6,392,970
- Issue date May 21, 2002
- Sharp Kabushiki Kaisha
- Hiroshi Fuji
- G11 - INFORMATION STORAGE
Information Patent Grant
Inexpensive compressed data storage apparatus with improved resista...
- Patent number 6,065,094
- Issue date May 16, 2000
- Sharp Kabushiki Kaisha
- Jun Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for controlling digital copying of digitally r...
- Patent number 5,764,607
- Issue date Jun 9, 1998
- Sharp Kabushiki Kaisha
- Shigemi Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Track jump device and information recording medium driving apparatus
- Patent number 5,712,835
- Issue date Jan 27, 1998
- Sharp Kabushiki Kaisha
- Jun Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and arrangement for recording/reproducing compressed program...
- Patent number 5,555,229
- Issue date Sep 10, 1996
- Sharp Kabushiki Kaisha
- Kunio Kojima
- G11 - INFORMATION STORAGE
Information Patent Grant
Multiple coil magnetic head for magnetic optical recording device
- Patent number 5,500,839
- Issue date Mar 19, 1996
- Sharp Kabushiki Kaisha
- Tomoyuki Miyake
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording/reproducing apparatus with alternating access of com...
- Patent number 5,457,667
- Issue date Oct 10, 1995
- Sharp Kabushiki Kaisha
- Kunio Kojima
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording/reproducing apparatus of simultaneously performing b...
- Patent number 5,343,452
- Issue date Aug 30, 1994
- Sharp Kabushiki Kaisha
- Shigemi Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording and reproducing device providing faster acces...
- Patent number 5,315,571
- Issue date May 24, 1994
- Sharp Kabushiki Kaisha
- Shigemi Maeda
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical information recording medium reproducing apparatus, method...
- Publication number 20100091638
- Publication date Apr 15, 2010
- Sharp Kabushiki Kaisha
- Masaki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Storage medium managing device, storage medium managing program, an...
- Publication number 20090180363
- Publication date Jul 16, 2009
- Sharp Kabushiki Kaisha
- Jun Akiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Data storage medium reproducing device and method for reproducing d...
- Publication number 20050063265
- Publication date Mar 24, 2005
- Jun Akiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Information processing system and information processing method
- Publication number 20030236767
- Publication date Dec 25, 2003
- Jun Akiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Signal evaluation apparatus and signal evaluation method
- Publication number 20030135812
- Publication date Jul 17, 2003
- Jun Akiyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Signal evaluation devices and signal evaluation methods, signal qua...
- Publication number 20030043939
- Publication date Mar 6, 2003
- Tetsuya Okumura
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus and method for adjusting optical disk appara...
- Publication number 20020080697
- Publication date Jun 27, 2002
- Jun Akiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Method for recording and reproducing information, recording and rep...
- Publication number 20020071555
- Publication date Jun 13, 2002
- Sharp Kabushiki Kaisha
- Jun Akiyama
- G11 - INFORMATION STORAGE

Jun Akiyama

Person

Patents Grantslast 30 patents

Optical information recording medium reproducing apparatus, method...

Storage medium managing device, storage medium managing program, an...

Data storage medium reproducing device and method for reproducing d...

Reproduction device and method wherein detection of sub-data genera...

Signal evaluation devices and signal evaluation methods, signal qua...

Optical disk apparatus and method for adjusting optical disk appara...

Signal evaluation apparatus and signal evaluation method

Optical disk, optical reproduction device, and optical recording de...

Reproducing light quantity control method for optical memory device...

Inexpensive compressed data storage apparatus with improved resista...

Method and apparatus for controlling digital copying of digitally r...

Track jump device and information recording medium driving apparatus

Method and arrangement for recording/reproducing compressed program...

Multiple coil magnetic head for magnetic optical recording device

Data recording/reproducing apparatus with alternating access of com...

Data recording/reproducing apparatus of simultaneously performing b...

Information recording and reproducing device providing faster acces...

Patents Applicationslast 30 patents

Optical information recording medium reproducing apparatus, method...

Storage medium managing device, storage medium managing program, an...

Data storage medium reproducing device and method for reproducing d...

Information processing system and information processing method

Signal evaluation apparatus and signal evaluation method

Signal evaluation devices and signal evaluation methods, signal qua...

Optical disk apparatus and method for adjusting optical disk appara...

Method for recording and reproducing information, recording and rep...