Tadashi Ishiguro

Person

Kanagawa-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium
- Patent number 8,603,652
- Issue date Dec 10, 2013
- FUJIFILM Corporation
- Tadashi Ishiguro
- G11 - INFORMATION STORAGE
Information Patent Grant
Cleaning medium
- Patent number 7,527,881
- Issue date May 5, 2009
- FUJIFILM Corporation
- Tadashi Ishiguro
- G11 - INFORMATION STORAGE
Information Patent Grant
Leader tape and magnetic tape cartridge
- Patent number 7,086,623
- Issue date Aug 8, 2006
- Fuji Photo Film Co., Ltd.
- Masami Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Cleaning medium for magnetic recording apparatus
- Patent number 6,916,521
- Issue date Jul 12, 2005
- Fuji Photo Film Co., Ltd.
- Tadashi Ishiguro
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polishing member and process for producing the same
- Patent number 6,443,827
- Issue date Sep 3, 2002
- Fuji Photo Film Co., Ltd.
- Katsumi Ryoke
- G02 - OPTICS
Information Patent Grant
Abrasive member for very high return loss optical connector ferrules
- Patent number 6,012,969
- Issue date Jan 11, 2000
- Fuji Photo Film Co., Ltd.
- Katsumi Ryoke
- G02 - OPTICS
Information Patent Grant
Abrasive member
- Patent number 5,639,284
- Issue date Jun 17, 1997
- Fuji Photo Film Co., Ltd.
- Katsumi Ryoke
- B24 - GRINDING POLISHING
Information Patent Grant
Magnetic tape cassette having improved magnetic tape substrate and...
- Patent number 5,479,311
- Issue date Dec 26, 1995
- Fuji Photo Film Co., Ltd.
- Hiroaki Doushita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium containing a biaxially oriented multilaye...
- Patent number 5,415,933
- Issue date May 16, 1995
- Fuji Photo Film Co., Ltd.
- Tadashi Ishiguro
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for the preparation of magnetic recording disk
- Patent number 4,946,534
- Issue date Aug 7, 1990
- Fuji Photo Film Co., Ltd.
- Kunihiko Honda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,379,809
- Issue date Apr 12, 1983
- Fuji Photo Film Co., Ltd.
- Akihiro Matsufuji
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC RECORDING MEDIUM AND PROCESS OF PRODUCING THE SAME
- Publication number 20120160069
- Publication date Jun 28, 2012
- FUJIFILM CORPORATION
- Tadashi ISHIGURO
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20110274947
- Publication date Nov 10, 2011
- FUJIFILM CORPORATION
- Tadashi ISHIGURO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND PROCESS OF PRODUCING THE SAME
- Publication number 20090246559
- Publication date Oct 1, 2009
- FUJIFILM CORPORATION
- Tadashi Ishiguro
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Cleaning medium
- Publication number 20060066996
- Publication date Mar 30, 2006
- Fuji Photo Film Co., Ltd.
- Tadashi Ishiguro
- G11 - INFORMATION STORAGE
Information Patent Application
Cleaning medium
- Publication number 20060066998
- Publication date Mar 30, 2006
- Fuji Photo Film Co., Ltd.
- Tadashi Ishiguro
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium
- Publication number 20040264025
- Publication date Dec 30, 2004
- Fuji Photo Film Co., Ltd.
- Tadashi Ishiguro
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium
- Publication number 20040265635
- Publication date Dec 30, 2004
- Fuji Photo Film Co., Ltd.
- Tadashi Ishiguro
- G11 - INFORMATION STORAGE
Information Patent Application
Leader tape and magnetic tape cartridge
- Publication number 20040159733
- Publication date Aug 19, 2004
- Fuji Photo Film Co., Ltd.
- Masami Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Cleaning medium for magnetic recording apparatus
- Publication number 20020106497
- Publication date Aug 8, 2002
- Tadashi Ishiguro
- B32 - LAYERED PRODUCTS

Tadashi Ishiguro

Person

Patents Grantslast 30 patents

Magnetic recording medium

Cleaning medium

Leader tape and magnetic tape cartridge

Cleaning medium for magnetic recording apparatus

Polishing member and process for producing the same

Abrasive member for very high return loss optical connector ferrules

Abrasive member

Magnetic tape cassette having improved magnetic tape substrate and...

Magnetic recording medium containing a biaxially oriented multilaye...

Process for the preparation of magnetic recording disk

Magnetic recording medium

Patents Applicationslast 30 patents

MAGNETIC RECORDING MEDIUM AND PROCESS OF PRODUCING THE SAME

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM AND PROCESS OF PRODUCING THE SAME

Cleaning medium

Cleaning medium

Magnetic recording medium

Magnetic recording medium

Leader tape and magnetic tape cartridge

Cleaning medium for magnetic recording apparatus