Yoshitaka Yasufuku

Person

Hino, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Tape cassette lid-locking device
- Patent number 5,335,876
- Issue date Aug 9, 1994
- Konica Corporation
- Yoshitaka Yasufuku
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording medium comprising a silver nalide light sensi...
- Patent number 5,318,826
- Issue date Jun 7, 1994
- Konica Corporation
- Yoshitaka Yasufuku
- G11 - INFORMATION STORAGE
Information Patent Grant
Silver halide photographic light-sensitive material capable of magn...
- Patent number 5,294,525
- Issue date Mar 15, 1994
- Konica Corporation
- Yasuhisa Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic recording medium
- Patent number 5,284,716
- Issue date Feb 8, 1994
- Konica Corporation
- Yasushi Nakano
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 5,055,349
- Issue date Oct 8, 1991
- Konica Corporation
- Yoshitaka Yasufuku
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape cassette with leaf-shaped spring door closure mechanism
- Patent number 5,041,939
- Issue date Aug 20, 1991
- Konica Corporation
- Tsutomu Hiramoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 5,035,856
- Issue date Jul 30, 1991
- Konica Corporation
- Noboru Koyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape cassette with improved front cover supporting mechanism
- Patent number 4,951,167
- Issue date Aug 21, 1990
- Konica Corporation
- Tsutomu Hiramoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Hanger
- Patent number 4,832,301
- Issue date May 23, 1989
- Konishiroku Photo Industry Co., Ltd.
- Tsutomu Hiramoto
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Magnetic recording medium
- Patent number 4,761,338
- Issue date Aug 2, 1988
- Konishiroku Photo Industry Co., Ltd.
- Masao Asano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Magnetic recording medium
- Patent number 4,731,292
- Issue date Mar 15, 1988
- Konishiroku Photo Industry Co., Ltd.
- Kunitsuna Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for treating magnetic metal power
- Patent number 4,710,427
- Issue date Dec 1, 1987
- Konishiroku Photo Industry Co., Ltd.
- Yasuhisa Yamauchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,684,572
- Issue date Aug 4, 1987
- Konishiroku Photo Industry Co., Ltd.
- Yoshitaka Yasufuku
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,652,496
- Issue date Mar 24, 1987
- Konishiroku Photo Industry Co., Ltd.
- Yoshitaka Yasufuku
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and a process of fabricating such magneti...
- Patent number 4,562,117
- Issue date Dec 31, 1985
- Konishiroku Photo Industry Co., Ltd.
- Shozo Kikukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,555,443
- Issue date Nov 26, 1985
- Konishiroku Photo Industry Co., Ltd.
- Shozo Kikugawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Ink composition and method for ink jet recording
- Patent number 4,399,443
- Issue date Aug 16, 1983
- Konishiroku Photo Industry Co., Ltd.
- Yoshitaka Yasufuku
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Yoshitaka Yasufuku

Person

Patents Grantslast 30 patents

Tape cassette lid-locking device

Information recording medium comprising a silver nalide light sensi...

Silver halide photographic light-sensitive material capable of magn...

Magnetic recording medium

Magnetic recording medium

Magnetic tape cassette with leaf-shaped spring door closure mechanism

Magnetic recording medium

Magnetic tape cassette with improved front cover supporting mechanism

Hanger

Magnetic recording medium

Magnetic recording medium

Process for treating magnetic metal power

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium and a process of fabricating such magneti...

Magnetic recording medium

Ink composition and method for ink jet recording