Inventor

ISHIHARA SUMIO

JP2 patents

⚠️ This page may combine multiple inventors who share the name “ISHIHARA SUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

US6122385ASep 19, 2000

Sound reproduction apparatus with stable feedback

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations90

SANYO ELECTRIC CO

1 patent

US5032542AJul 16, 1991

Method of mass-producing integrated circuit devices using strip lead frame

SANYO ELECTRIC CO17 citations69