Shigeru Ishikawa

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Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tape cassette of high transparency material
- Patent number 6,710,974
- Issue date Mar 23, 2004
- Victor Company of Japan, Limited
- Shigeru Ishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape cassette of high transparency material
- Patent number 6,680,819
- Issue date Jan 20, 2004
- Victor Company of Japan
- Shigeru Ishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape cassette of high transparency material
- Patent number 6,587,306
- Issue date Jul 1, 2003
- Victor Company of Japan, Limited
- Shigeru Ishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media having a magnetic layer including acicular...
- Patent number 5,604,028
- Issue date Feb 18, 1997
- Victor Company of Japan, Ltd.
- Makoto Hirama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Tape cassette of high transparency material
- Publication number 20030202279
- Publication date Oct 30, 2003
- Victor Company of Japan, Limited
- Shigeru Ishikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Tape cassette of high transparency material
- Publication number 20030189792
- Publication date Oct 9, 2003
- Victor Company of Japan, Limited
- Shigeru Ishikawa
- G11 - INFORMATION STORAGE