Souichiro Fujioka

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording and reproducing apparatus having multiple magnet...
- Patent number 5,321,557
- Issue date Jun 14, 1994
- Matsushita Electric Industrial Co., Ltd.
- Masafumi Shimotashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking error detection system having at least two magnetic heads...
- Patent number 5,313,346
- Issue date May 17, 1994
- Matsushita Electric Industrial Co., Ltd.
- Masafumi Shimotashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Video and audio signal recording apparatus with editing-use erase h...
- Patent number 5,299,072
- Issue date Mar 29, 1994
- Matsushita Electric Industrial Co., Ltd.
- Yoshiho Gotoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for detecting rotation speed having feedback circuitry and i...
- Patent number 4,891,588
- Issue date Jan 2, 1990
- Matsushita Electric Industrial Co., Ltd.
- Souichiro Fujioka
- G01 - MEASURING TESTING