Ichiro Kawamura

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Recording medium cartridge and signal recording apparatus
- Patent number RE40141
- Issue date Mar 4, 2008
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Kawamura
- 720 - Dynamic optical information storage or retrieval
Information Patent Grant
Recording medium cartridge and signal recording apparatus
- Patent number RE38848
- Issue date Oct 25, 2005
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Kawamura
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Recording medium cartridge and signal recording apparatus
- Patent number RE37659
- Issue date Apr 16, 2002
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Kawamura
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Disk cartridge with judging recesses
- Patent number 5,923,509
- Issue date Jul 13, 1999
- Matsushita Electric Industrial Co., Ltd.
- Yuji Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk cartridge with positioning hole
- Patent number 5,907,535
- Issue date May 25, 1999
- Matsushita Electric Industrial Co., Ltd.
- Yuji Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Tray with positioning protrusion for loading a disk cartridge
- Patent number 5,901,129
- Issue date May 4, 1999
- Matsushita Electric Industrial Co., Ltd.
- Yuji Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing apparatus
- Patent number 5,878,013
- Issue date Mar 2, 1999
- Matsushita Electric Industrial Co., Ltd.
- Shinichi Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium cartridge and signal recording apparatus
- Patent number 5,854,777
- Issue date Dec 29, 1998
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk recording and reproducing apparatus
- Patent number 5,812,511
- Issue date Sep 22, 1998
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk cartridge with an inclined groove
- Patent number 5,799,009
- Issue date Aug 25, 1998
- Matsushita Electric Industrial Co., Ltd.
- Yuji Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium cartridge and signal recording apparatus
- Patent number 5,764,622
- Issue date Jun 9, 1998
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc loading apparatus for loading optical discs in a cartridge or...
- Patent number 5,737,293
- Issue date Apr 7, 1998
- Matsushita Electric Industrial Co. Ltd.
- Ichiro Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Cleaning cartridge for an optical recording apparatus
- Patent number 5,278,821
- Issue date Jan 11, 1994
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk drive including dust-proofing annular projections
- Patent number 5,260,929
- Issue date Nov 9, 1993
- Matsushita Electric Industrial Co., Ltd.
- Goro Naoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Bias magnetic field generating apparatus for magneto-optical record...
- Patent number 5,229,983
- Issue date Jul 20, 1993
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Object lens holder and driving device
- Patent number 5,206,849
- Issue date Apr 27, 1993
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical unit actuator for information recording/reproducing apparatus
- Patent number 5,200,940
- Issue date Apr 6, 1993
- Matsushita Electric Industrial Co., Ltd.
- Shoji Goto
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for opening and closing a shutter of a disk cartridge
- Patent number 5,124,975
- Issue date Jun 23, 1992
- Matsushita Electric Industrial Co., Ltd.
- Goro Naoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Arrangement of recording/reproducing apparatus
- Patent number 5,107,484
- Issue date Apr 21, 1992
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording disc playback apparatus
- Patent number 4,807,216
- Issue date Feb 21, 1989
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording disc playback apparatus
- Patent number 4,802,155
- Issue date Jan 31, 1989
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Kawamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Recording disc reproducing device
- Patent number 4,623,995
- Issue date Nov 18, 1986
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk recording and reproducing device
- Patent number 4,482,991
- Issue date Nov 13, 1984
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Kawamura
- G11 - INFORMATION STORAGE

Ichiro Kawamura

Person

Patents Grantslast 30 patents

Recording medium cartridge and signal recording apparatus

Recording medium cartridge and signal recording apparatus

Recording medium cartridge and signal recording apparatus

Disk cartridge with judging recesses

Disk cartridge with positioning hole

Tray with positioning protrusion for loading a disk cartridge

Recording and reproducing apparatus

Recording medium cartridge and signal recording apparatus

Disk recording and reproducing apparatus

Disk cartridge with an inclined groove

Recording medium cartridge and signal recording apparatus

Disc loading apparatus for loading optical discs in a cartridge or...

Cleaning cartridge for an optical recording apparatus

Optical disk drive including dust-proofing annular projections

Bias magnetic field generating apparatus for magneto-optical record...

Object lens holder and driving device

Optical unit actuator for information recording/reproducing apparatus

Device for opening and closing a shutter of a disk cartridge

Arrangement of recording/reproducing apparatus

Recording disc playback apparatus

Recording disc playback apparatus

Recording disc reproducing device

Disk recording and reproducing device