Osamu Yamaguchi

Person

Katano, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic tape tension control device
- Patent number 5,860,610
- Issue date Jan 19, 1999
- Matsushita Electric Industrial Co., Ltd.
- Masafumi Nishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium, optical information recording...
- Patent number 5,850,379
- Issue date Dec 15, 1998
- Matsushita Electric Industrial Co., Ltd.
- Mitsurou Moriya
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking error signal detector
- Patent number 5,808,979
- Issue date Sep 15, 1998
- Matsushita Electric Industrial Co., Ltd.
- Hiromichi Ishibashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium, optical information recording...
- Patent number 5,790,487
- Issue date Aug 4, 1998
- Matsushita Electric Industrial Co., Ltd.
- Mitsurou Moriya
- G11 - INFORMATION STORAGE
Information Patent Grant
Focusing control apparatus using dynamic target value in relation t...
- Patent number 5,732,051
- Issue date Mar 24, 1998
- Matsushita Electric Industrial Co., Ltd.
- Hiroyuki Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for detecting the movement of a light beam and optical infor...
- Patent number 5,671,200
- Issue date Sep 23, 1997
- Matsushita Electric Industrial Co., Ltd.
- Osamu Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape speed control apparatus using rotation speed ratio of first an...
- Patent number 5,604,652
- Issue date Feb 18, 1997
- Matsushita Electric Industrial Co., Ltd.
- Masafumi Nishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape tension control device
- Patent number 5,540,398
- Issue date Jul 30, 1996
- Matsushita Electric Industrial Co., Ltd.
- Masafumi Nishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking control apparatus
- Patent number 5,444,682
- Issue date Aug 22, 1995
- Matsushita Electric Industrial Co., Ltd.
- Shinichi Yamada
- G11 - INFORMATION STORAGE

Osamu Yamaguchi

Person

Patents Grantslast 30 patents

Magnetic tape tension control device

Optical information recording medium, optical information recording...

Tracking error signal detector

Optical information recording medium, optical information recording...

Focusing control apparatus using dynamic target value in relation t...

Method for detecting the movement of a light beam and optical infor...

Tape speed control apparatus using rotation speed ratio of first an...

Magnetic tape tension control device

Tracking control apparatus