P

Inventor

KOJIMA AKIRA

JP121 patents
⚠️ This page may combine multiple inventors who share the name “KOJIMA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

16 patents
US5715105AFeb 3, 1998

Method of and apparatus for recording on and reproducing from disk-type recording medium having recording tracks with sectors each having an ID area and a data area

HITACHI LTD43 citations96
US5507005AApr 9, 1996

Data transferring system between host and I/O using a main buffer with sub-buffers where quantity of data in sub-buffers determine access requests

HITACHI LTD97 citations94
USD515123SFeb 14, 2006

Video camera with digital video disk player

HITACHI LTD25 citations93
USD549260SAug 21, 2007

Video camera with digital video disc player

HITACHI LTD17 citations92
USD517107SMar 14, 2006

Video camera with digital video disk player

HITACHI LTD17 citations92
USD505438SMay 24, 2005

Video camera with digital video disc player

HITACHI LTD28 citations92
USD491967SJun 22, 2004

Video camera with digital video disc player

HITACHI LTD34 citations92
USD459709SJul 2, 2002

Digital video disc player

HITACHI LTD32 citations92
USD459321SJun 25, 2002

Digital video disc player

HITACHI LTD30 citations92
US6317281B1Nov 13, 2001

Disk storage device having identification information for protecting stored data

HITACHI LTD42 citations92
US6108158AAug 22, 2000

Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores

HITACHI LTD33 citations92
US5742933AApr 21, 1998

Rotary memory storage device with cache control method and apparatus

HITACHI LTD21 citations92
US5584012ADec 10, 1996

Cache control method and rotary storage device having cache control

HITACHI LTD37 citations92
US5313340AMay 17, 1994

Read/write controlling apparatus for adjusting the data length of a magnetic disk

HITACHI LTD48 citations92
USD338293SAug 10, 1993

Electric vacuum cleaner

HITACHI LTD29 citations92
US6625755B1Sep 23, 2003

Storage apparatus and control method thereof

HITACHI LTD25 citations89

SONY CORP

7 patents

RICOH KK

3 patents

TOYODA GOSEI KK

3 patents

HITACHI HIGH TECH CORP

3 patents

FUJI PHOTO FILM CO LTD

2 patents

HITACHI GLOBAL STORAGE TECH

2 patents

YANASE KAZUYUKI

2 patents

KOJIMA AKIRA

2 patents

TACHIKAWA SPRING CO

1 patent

DAIDO METAL CO

1 patent

CLARION CO LTD

1 patent

SUN MED TECH RES CORP

1 patent

MORITO CO LTD

1 patent

HITACHI HIGH TECH SCIENCE CORP

1 patent

AIR PAQ INC

1 patent

NIPPON DENSO CO

1 patent

HITACHI SOFTWARE ENG

1 patent

TORAY INDUSTRIES

1 patent

Showing the top 50 of 121 patents by PatentIndex Score.