Inventor
Toshiyuki Iwasawa
Inventor
Tokyo, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters80%
H03KPulse technique20%
PatentTitleYear
4,975,718'Ink jet recording apparatus'19904,908,635'Ink jet recording apparatus with density control function'19904,829,325'Ink jet recording apparatus with an electrode disposed at writing paper side'19894,825,102'MOS FET drive circuit providing protection against transient voltage breakdown'19894,684,957'Method for operation of an ink jet printing head'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1990Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (5)· patent assignee history
1987–1990Based in Tokyo, JP· patent location history
1990Based in Tama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 5 | 1987–1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 1987–1990 |
| Tama, JP | 1 | 1990 |