Inventor
Hiroaki Takamura
Inventor
Odawara, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography80%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments20%
PatentTitleYear
10,095,135Phthalocyanine crystal, and electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image-forming device using the same201810,012,916Photoreceptor for electrophotography, and photoreceptor cartridge and image forming apparatus employing the same20189,835,961Phthalocyanine crystal, and electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image-forming device using the same20179,296,899'Phthalocyanine crystal, and electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image-forming device using the same'20168,974,998'Method of image forming with a photoreceptor and toner'20158,871,413'Toners for electrostatic-image development, cartridge employing toner for electrostatic-image development, and image-forming apparatus'20148,846,282'Phthalocyanine crystal, and electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image-forming device using the same'20148,741,530'Image forming apparatus'20148,722,289'Electrophotographic photoreceptor and image-forming apparatus'20148,663,882'Electrophotographic photosensitive body, image-forming device using same and cartridge'20148,404,411'Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge'20138,273,509'Electrophotographic photoreceptor, and image forming device and electrophotographic photoreceptor cartridge using the same member cartridge'20128,221,950'Image forming apparatus'20128,211,602'Image forming apparatus'20128,064,796'Image forming apparatus'20115,932,385'Electrophotographic copying method and electrophotographic copying machine used in the method'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2018Patents assigned to MITSUBISHI CHEM CORP (15)· patent assignee history
1999–2016Based in Odawara, JP· patent location history
2011–2016Patents assigned to TAKAMURA HIROAKI (11)· patent assignee history
2011–2016Patents assigned to MITSUMORI TERUYUKI (9)· patent assignee history
2011–2015Patents assigned to ISHIO KOZO (6)· patent assignee history
2011–2015Patents assigned to HIRABARU YUMI (5)· patent assignee history
2014–2017Based in Kanagawa, JP· patent location history
2014Based in Yokohama, JP· patent location history
2018Based in Tokyo, JP· patent location history
2018Based in Suwon-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI CHEM CORP | 15 | 1999–2018 |
| TAKAMURA HIROAKIself | 11 | 2011–2016 |
| MITSUMORI TERUYUKI | 9 | 2011–2016 |
| ISHIO KOZO | 6 | 2011–2015 |
| HIRABARU YUMI | 5 | 2011–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Odawara, JP | 9 | 1999–2016 |
| Kanagawa, JP | 4 | 2014–2017 |
| Tokyo, JP | 1 | 2018 |
| Suwon-si, KR | 1 | 2018 |
| Yokohama, JP | 1 | 2014 |