Inventor
ISHIKAWA REN
JP17 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA REN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIFILM CORP
13 patentsUS7881013B2Feb 1, 2011
Recording tape cartridge
FUJIFILM CORP7 citations83
US7562842B2Jul 21, 2009
Reel
FUJIFILM CORP12 citations83
US7523887B2Apr 28, 2009
Reel and recording tape cartridge
FUJIFILM CORP11 citations83
US7347397B2Mar 25, 2008
Reel and recording tape cartridge
FUJIFILM CORP17 citations83
US7954750B2Jun 7, 2011
Reel and recording tape cartridge
FUJIFILM CORP2 citations62
US7232088B2Jun 19, 2007
Reel and recording tape cartridge
FUJIFILM CORP2 citations62
US7201341B2Apr 10, 2007
Recording tape cartridge
FUJIFILM CORP4 citations62
US12374363B2Jul 29, 2025
Magnetic tape device and method of operating magnetic tape device
FUJIFILM CORP0 citations61
US12014756B2Jun 18, 2024
Tape reel, magnetic tape cartridge, and magnetic tape drive
FUJIFILM CORP0 citations61
US7293650B2Nov 13, 2007
Tape cassette storage case having a bumper portion
FUJIFILM CORP2 citations61
US7913946B2Mar 29, 2011
Insert body, reel, and recording tape cartridge
FUJIFILM CORP0 citations52
US7644886B2Jan 12, 2010
Reel
FUJIFILM CORP1 citations51
US12112770B2Oct 8, 2024
Magnetic tape cartridge, magnetic tape drive, tension control method, method of handling magnetic tape, and program
FUJIFILM CORP0 citations41