Inventor
Rieko Ren
Inventor
Hino, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes28%
G11BInformation storage based on relative movement between record carrier and transducer17%
Y10TTechnical subjects covered by former us classification17%
G02BOptical elements, systems or apparatus11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C08LCompositions of macromolecular compounds6%
H10KOrganic electric solid-state devices6%
PatentTitleYear
9,535,201'Retardation film, elongated circularly polarizing plate and organic EL display produced using said retardation film'20178,952,600'Circularly polarizing plate and three-dimensional image display apparatus'20157,157,216'Silver halide emulsion and silver halide photographic material'20077,105,287'Silver halide emulsion and silver halide photographic material'20066,787,296'Silver halide emulsion and silver halide photographic material by the use thereof'20046,284,449'Silver halide emulsion and silver halide light sensitive photographic material'20016,120,980'Silver halide emulsion and silver halide color photographic material by use thereof'20005,162,146'Magnetic recording medium having a plurality of magnetic layers and a specified relationship of bending stiffness'19925,116,683'Magnetic recording medium containing a specified ferromagnetic powder, polyurethane resin prepared from specified branched chain diols and a fatty acid ester'19925,094,904'Magnetic recording medium'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2004Patents assigned to KONISHIROKU PHOTO IND (6)· patent assignee history
1992–2001Based in Hino, JP· patent location history
2004Based in Tokyo, JP· patent location history
2006–2007Patents assigned to KONICA MINOLTA PHOTO IMAGING (2)· patent assignee history
2006–2015Based in Kunitachi, JP· patent location history
2015–2017Patents assigned to KONICA MINOLTA INC (2)· patent assignee history
2015Patents assigned to REN RIEKO (1)· patent assignee history
2015Patents assigned to TASAKA KOJI (1)· patent assignee history
2017Based in Kobe, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KONISHIROKU PHOTO IND | 6 | 1992–2004 |
| KONICA MINOLTA INC | 2 | 2015–2017 |
| KONICA MINOLTA PHOTO IMAGING | 2 | 2006–2007 |
| REN RIEKOself | 1 | 2015 |
| TASAKA KOJI | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hino, JP | 5 | 1992–2001 |
| Kunitachi, JP | 3 | 2006–2015 |
| Kobe, JP | 1 | 2017 |
| Tokyo, JP | 1 | 2004 |