Inventor
Yasuyuki Yamashita
Inventor
Zama, JP
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography29%
B29CShaping or joining of plastics11%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering11%
B22FWorking metallic powder8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
C04BLime, magnesia6%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts5%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
B28BShaping clay or other ceramic compositions3%
B29BPreparation or pretreatment of the material to be shaped3%
PatentTitleYear
11,066,758Resin powder having pillar shape and specific circularity for solid freeform fabrication, device for solid freeform fabrication object, and method of manufacturing solid freeform fabrication object202110,828,827Powder material for three-dimensional object formation, hardening liquid and three-dimensional object formation kit, and formation method and formation apparatus of three-dimensional object202010,800,096Resin powder for solid freeform fabrication and device for solid freeform fabrication object202010,682,808Three-dimensional object fabrication method, fabrication apparatus, and fabrication system202010,030,154Powder material for three-dimensional modeling, material set for 3D modeling, method of manufacturing three-dimensional object, device for manufacturing three-dimensional object, and three-dimensional object20189,873,228Powder material for three dimensional modeling, kit for three dimensional modeling, green body for three dimensional modeling, method of manufacturing three dimensional object, method of manufacturing three-dimensional green body, device for manufacturing three-dimensional object, and device for manufacturing three-dimensional green body20189,782,935'Powder material for three-dimensional modeling, kit for three-dimensional modeling, device for manufacturing three-dimensional object, and method of manufacturing three-dimensional object'20179,708,502'Powder for 3D modeling, set for 3D modeling, method of manufacturing 3D object, and device for manufacturing 3D object'20179,046,864'Cleaning blade, and image forming apparatus using same and process cartridge'20158,923,735'Toner bearing member including surface layer containing crosslink reaction product of fluororesin and/or (meth)acrylate compound, developing device, and image forming apparatus'20148,897,690'Cleaning blade, image forming apparatus and process cartridge'20148,606,150'Toner bearer, and developing device and image forming apparatus using same'20138,396,399'Toner bearing member, developing device, image forming apparatus, and image forming method'20138,369,755'Developing device and image forming apparatus using the developing device'20138,280,295'Cleaning device, image forming apparatus including the device, and process cartridge including the device'20128,244,145'Image forming apparatus including image processing member determined by method of evaluating distribution of adhesion forces of toner thereto'20128,224,224'Cleaning blade and image forming apparatus, process cartridge, and image forming method using the same'20128,041,281'Cleaning device, image forming apparatus, and process cartridge'20118,007,972'Electrophotographic photoconductor, and image forming apparatus, process cartridge and image forming method using the same'20117,960,081'Electrophotographic photoreceptor having N-alkoxymethylated nylon intermediate layer, and image forming apparatus having the electrophotographic photoreceptor'20117,929,897'Cleaning unit, process cartridge, and image forming apparatus using the same'20117,873,298'Cleaning device, process cartridge, and image forming apparatus'20117,560,204'Latent electrostatic image bearing member, and the method for producing the same, image forming method, image forming apparatus, and process cartridge'20097,537,872'Image bearing member with charge blocking layer and moire prevention layer, and image forming apparatus and process cartridge using the same'20097,341,810'Electrophotographic photoreceptor method of manufacturing electrophotographic photoreceptor, and electrophotographic apparatus and process cartridge using electrophotographic photoreceptor'20087,314,693'Electrophotographic photoconductor, electrophotographic process, electrophotographic apparatus, and process cartridge'20087,267,916'Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the electrophotographic photoreceptor'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2008Based in Numazu, JP· patent location history
2008–2020Based in Shizuoka, JP· patent location history
2009–2013Based in Zama, JP· patent location history
2011–2021Patents assigned to RICOH CO LTD (22)· patent assignee history
2011Based in Zema, JP· patent location history
2012–2021Patents assigned to YAMASHITA YASUYUKI (16)· patent assignee history
2013–2021Based in Kanagawa, JP· patent location history
2017–2021Patents assigned to IWATSUKI HITOSHI (7)· patent assignee history
2017–2021Patents assigned to TAMOTO NOZOMU (7)· patent assignee history
2017–2021Patents assigned to SUZUKI YASUO (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH CO LTD | 22 | 2011–2021 |
| YAMASHITA YASUYUKIself | 16 | 2012–2021 |
| IWATSUKI HITOSHI | 7 | 2017–2021 |
| TAMOTO NOZOMU | 7 | 2017–2021 |
| SUZUKI YASUO | 6 | 2017–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Zama, JP | 11 | 2009–2013 |
| Kanagawa, JP | 7 | 2013–2021 |
| Shizuoka, JP | 6 | 2008–2020 |
| Numazu, JP | 2 | 2007–2008 |
| Zema, JP | 1 | 2011 |