Inventor
Junji Hamana
Inventor
Chichibu, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer71%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients29%
PatentTitleYear
8,075,838'Composite metal molding and method for manufacturing thereof'20117,833,432'Composite metal molding and method for manufacturing thereof'20105,253,135'Magnetic head having a tape sliding surface and projections formed on the tape sliding surface'19934,894,737'Magnetic head apparatus having projections extending from at least a front side thereof'19904,413,295'Magnetic head'19834,368,496'Magnetic head'19834,161,005'Magnetic heads and fixing material with an additional filler of MoS.sub.2'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1990Patents assigned to CANON KK (4)· patent assignee history
1979–1983Based in Chichibu, JP· patent location history
1983–2011Patents assigned to CANON DENSHI KK (4)· patent assignee history
1990–1993Based in Hanno, JP· patent location history
2010–2011Based in Hannou, JP· patent location history
2011Patents assigned to HAMANA JUNJI (1)· patent assignee history
2011Patents assigned to KAWADA ISAMU (1)· patent assignee history
2011Patents assigned to MARUYAMA NAOAKI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON DENSHI KK | 4 | 1983–2011 |
| CANON KK | 4 | 1979–1990 |
| HAMANA JUNJIself | 1 | 2011 |
| KAWADA ISAMU | 1 | 2011 |
| MARUYAMA NAOAKI | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chichibu, JP | 3 | 1979–1983 |
| Hannou, JP | 2 | 2010–2011 |
| Hanno, JP | 2 | 1990–1993 |