Inventor
Kazuyoshi Imai
Inventor
Sakata, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification35%
G11BInformation storage based on relative movement between record carrier and transducer20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
B41JTypewriters10%
C08JWorking-up5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
C08LCompositions of macromolecular compounds5%
PatentTitleYear
8,439,494'Liquid ejecting head, method for making the same, and liquid ejecting apparatus'20138,042,924'Attachment structures, liquid ejection head unit and method for manufacturing a liquid ejection head unit'2011RE036220'Magnetic recording medium having a magnetic layer with specified limits of both RA and R10Z surface roughness'19995,637,390'Magnetic recording medium'19975,478,626'Magnetic recording medium having a magnetic layer with specified limits of both Ra and R10z surface roughness'19955,215,803'Magnetic recording medium'19934,632,948'Vinyl chloride resin composition and molded products using same'19864,517,246'Particulate polyolefin molding material'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to CHISSO CORP (1)· patent assignee history
1986Based in Fujinomiya, JP· patent location history
1993–1999Patents assigned to KONISHIROKU PHOTO IND (4)· patent assignee history
1993Based in Hachioji, JP· patent location history
1995–1999Patents assigned to TDK CORP (2)· patent assignee history
1995–1997Based in Hino, JP· patent location history
1999Based in Tokyo, JP· patent location history
2011–2013Patents assigned to SEIKO EPSON CORP (2)· patent assignee history
2011–2013Based in Sakata, JP· patent location history
2013Patents assigned to IMAI KAZUYOSHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KONISHIROKU PHOTO IND | 4 | 1993–1999 |
| SEIKO EPSON CORP | 2 | 2011–2013 |
| TDK CORP | 2 | 1995–1999 |
| CHISSO CORP | 1 | 1986 |
| IMAI KAZUYOSHIself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sakata, JP | 2 | 2011–2013 |
| Hino, JP | 2 | 1995–1997 |
| Tokyo, JP | 1 | 1999 |
| Hachioji, JP | 1 | 1993 |
| Fujinomiya, JP | 1 | 1986 |