Inventor

IWASAWA TOSHIYUKI

JP5 patents

Patents

5 patents

US4975718ADec 4, 1990

Ink jet recording apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD64 citations95

US4908635AMar 13, 1990

Ink jet recording apparatus with density control function

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD45 citations91

US4825102AApr 25, 1989

MOS FET drive circuit providing protection against transient voltage breakdown

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations91

US4829325AMay 9, 1989

Ink jet recording apparatus with an electrode disposed at writing paper side

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations72

US4684957AAug 4, 1987

Method for operation of an ink jet printing head

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations72