Hiroshi Yohda

Person

Hirakata, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Recording head clogging detection method and its device
- Patent number 6,804,072
- Issue date Oct 12, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Yohda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing apparatus of helical scan type
- Patent number 6,690,879
- Issue date Feb 10, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hirofumi Uchida
- G11 - INFORMATION STORAGE
Information Patent Grant
Multitrack magnetic head assembly for scanning a magnetic tape with...
- Patent number 5,543,990
- Issue date Aug 6, 1996
- Matsushita Electric Industrial Co., Ltd.
- Yoshiaki Mizoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Levitation phenomenon analyzer and magnetic recording apparatus inc...
- Patent number 5,508,945
- Issue date Apr 16, 1996
- Matsushita Electric Industrial Co., Ltd.
- Yoshiaki Mizoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head drive which uses independently controlled piezo-elect...
- Patent number 5,500,777
- Issue date Mar 19, 1996
- Matsushita Electric Industrial Co., Ltd.
- Kenji Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Multitrack magnetic head assembly for scanning a magnetic tape with...
- Patent number 5,426,550
- Issue date Jun 20, 1995
- Matsushita Electric Industrial Co., Ltd.
- Yoshiaki Mizoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-track magnetic head having different height head chips
- Patent number 5,065,267
- Issue date Nov 12, 1991
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Yohda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head
- Patent number 4,985,797
- Issue date Jan 15, 1991
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Yohda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with a tape contacting surface having a metal filled...
- Patent number 4,985,796
- Issue date Jan 15, 1991
- Matsushita Electric Industrial Co., Ltd.
- Keita Ihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for azimuth recording in a high density magnetic reco...
- Patent number 4,897,748
- Issue date Jan 30, 1990
- Matsushita Electric Industrial Co., Ltd.
- Ken Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing magnetic head
- Patent number 4,890,379
- Issue date Jan 2, 1990
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Yohda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head
- Patent number 4,868,698
- Issue date Sep 19, 1989
- Matsushita Electric Industrial Co., Ltd.
- Ken Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording and reproduction
- Patent number 4,745,506
- Issue date May 17, 1988
- Matsushita Electric Industrial Co., Ltd.
- Kazuo Nakamura
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic recording and reproducing apparatus of helical scan type
- Publication number 20010031134
- Publication date Oct 18, 2001
- Hirofumi Uchida
- G11 - INFORMATION STORAGE

Hiroshi Yohda

Person

Patents Grantslast 30 patents

Recording head clogging detection method and its device

Magnetic recording and reproducing apparatus of helical scan type

Multitrack magnetic head assembly for scanning a magnetic tape with...

Levitation phenomenon analyzer and magnetic recording apparatus inc...

Magnetic head drive which uses independently controlled piezo-elect...

Multitrack magnetic head assembly for scanning a magnetic tape with...

Multi-track magnetic head having different height head chips

Magnetic head

Magnetic head with a tape contacting surface having a metal filled...

Magnetic head for azimuth recording in a high density magnetic reco...

Method for manufacturing magnetic head

Magnetic head

Magnetic head for perpendicular magnetic recording and reproduction

Patents Applicationslast 30 patents

Magnetic recording and reproducing apparatus of helical scan type