Inventor
NAKADA MASAHIRO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “NAKADA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
15 patentsUS5418852AMay 23, 1995
Unauthorized use prevention method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus
FUJITSU LTD183 citations98
US5617393AApr 1, 1997
Optical disk having an erased-state indicator and optical disk apparatus for reducing frequency of disk erasing operation
FUJITSU LTD53 citations96
US5537636AJul 16, 1996
File management system for a partially rewritable storage medium where file management information is created in a rewritable zone based on medium management information in a read only zone
FUJITSU LTD93 citations96
US5357431AOct 18, 1994
Character string retrieval system using index and unit for making the index
FUJITSU LTD280 citations96
US5327411AJul 5, 1994
Write control method and apparatus for writing optical disk data
FUJITSU LTD73 citations96
US5982886ANov 9, 1999
Unauthorized use preventing method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus
FUJITSU LTD76 citations95
US5402339AMar 28, 1995
Apparatus for making music database and retrieval apparatus for such database
FUJITSU LTD53 citations91
US5809298ASep 15, 1998
File server
FUJITSU LTD18 citations84
US5758189AMay 26, 1998
System for changing period to examine external storage unit for storage medium being loaded based on state of use of input device
FUJITSU LTD17 citations84
US5777965AJul 7, 1998
Optical disk having an erased-state indicator and optical disk apparatus for reducing frequency of disk-erasing operations
FUJITSU LTD11 citations73
US7376946B2May 20, 2008
Program management method for computer to which storage medium is attached, computer and storage medium
FUJITSU LTD6 citations63
US5144618ASep 1, 1992
Optical disc medium
FUJITSU LTD6 citations62
US4984232AJan 8, 1991
Compatible optical disk
FUJITSU LTD6 citations62
US10296746B2May 21, 2019
Information processing device, filtering system, and filtering method
FUJITSU LTD0 citations42
US9654491B2May 16, 2017
Network filtering apparatus and filtering method
FUJITSU LTD0 citations42
SALAD COSMO U S A CORP
4 patentsUS6544572B1Apr 8, 2003
Method and apparatus for severing roots and leaves of bean sprouts
SALAD COSMO U S A CORP12 citations73
US6379732B1Apr 30, 2002
Method and apparatus for severing root of bean sprout and dewatering bean sprout
SALAD COSMO U S A CORP7 citations73
US6256926B1Jul 10, 2001
Method of cultivating bean sprouts and cultivating container therefor
SALAD COSMO U S A CORP9 citations73
US6346288B1Feb 12, 2002
Method and apparatus for severing root of bean sprout
SALAD COSMO U S A CORP6 citations62