Inventor
ISHIKAWA SHIGERU
JP21 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VICTOR COMPANY OF JAPAN
4 patentsUS5604028AFeb 18, 1997
Magnetic recording media having a magnetic layer including acicular magnetic metal powder and alumina powder
VICTOR COMPANY OF JAPAN2 citations62
US6587306B1Jul 1, 2003
Tape cassette of high transparency material
VICTOR COMPANY OF JAPAN4 citations60
US6710974B2Mar 23, 2004
Tape cassette of high transparency material
VICTOR COMPANY OF JAPAN0 citations50
US6680819B2Jan 20, 2004
Tape cassette of high transparency material
VICTOR COMPANY OF JAPAN0 citations50