Inventor
Kouji Yamakawa
Inventor
Yokohama, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters63%
Y10TTechnical subjects covered by former us classification25%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
PatentTitleYear
6,338,546'Ink jet head cartridge and ink jet apparatus having same'20026,328,422'Ink jet head cartridge having a folded wiring member'20016,260,958'Liquid ejection head having specific flow path structure'20016,168,264'Manufacturing method for the liquid ejection head'20015,988,804'Ink jet head cartridge and ink jet apparatus having same'19995,463,248'Semiconductor package using an aluminum nitride substrate'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995Patents assigned to SUMITOMO METAL CERAMICS INC (1)· patent assignee history
1995Patents assigned to SUMITOMO METAL IND (1)· patent assignee history
1995Patents assigned to TOSHIBA KK (1)· patent assignee history
1995Based in Kawasaki, JP· patent location history
1999–2002Patents assigned to CANON KK (5)· patent assignee history
1999–2002Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 5 | 1999–2002 |
| SUMITOMO METAL CERAMICS INC | 1 | 1995 |
| SUMITOMO METAL IND | 1 | 1995 |
| TOSHIBA KK | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 1999–2002 |
| Kawasaki, JP | 1 | 1995 |