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Inventor

Seishi Ojima

Inventor
Takatsuki, JP

Overview

30→
Patents
1992–2018
Patent span
Physics
Primary field (CPC G)

Patents· 30 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary
G03GElectrography85%
B41JTypewriters3%
B82YSpecific uses or applications of nanostructures3%
C08JWorking-up3%
G11BInformation storage based on relative movement between record carrier and transducer3%
H04NPictorial communication, e.g. television3%
PatentTitleYear
10,126,669Electrostatic latent image developing toner201810,018,932Electrostatic latent image developing toner201810,007,202Positively chargeable toner20189,535,352'Electrostatic latent image developing toner and manufacturing method of the same'20179,436,109'Method of manufacturing resin particles, apparatus for manufacturing resin particles, and image forming apparatus'20169,250,551'Method for manufacturing electrostatic latent image developing toner'20168,583,015'Developing device with a thickness regulating member for regulating a thickness of a developer on a developer carrying body and image forming apparatus comprising same'20138,494,418'Development device and image forming apparatus having the same'20138,428,497'Developing device and image forming apparatus provided with same'20138,190,072'Developing device and image forming apparatus having the same'20127,476,481'Electrostatic charge image developing toner and production process for the same'20097,465,526'Electrostatic latent image developing toner'20087,175,959'Toner and production process for the same'20076,991,885'Non-magnetic one-component toner, non-magnetic one-component contact developing device and image-forming apparatus'20066,728,194'Optical recording medium, method of making the same and optical memory device using the optical memory medium'20046,146,804'Electrophotographic liquid developer and image forming apparatus'20005,981,134'Liquid developer for electrophotography'19995,981,133'Liquid developer and image forming apparatus'19995,953,566'Color image forming method and apparatus providing for efficient toner transfer based on toner zeta potentials'19995,780,196'Toner and liquid developer, liquid developer, and method of producing same'19985,774,169'Image forming apparatus'19985,623,716'Process for image forming using a photosensitive member having an amorphous carbon layer as an outermost surface layer'19975,572,294'Contact charger and image forming apparatus provided with same'19965,557,372'Contact charger and image forming apparatus provided with same'19965,536,610'Photosensitive member having surface protective layer with specified optical properties'19965,504,560'Photosensitive member-protective shutter'19965,504,559'Method for image formation'19965,242,773'Photosensitive member having fine cracks in surface protective layer'19935,242,776'Organic photosensitive member having fine irregularities on its surface'19935,155,002'Image forming method'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1997Patents assigned to MINOLTA CAMERA KK (5)· patent assignee history
1992–2006Based in Takatsuki, JP· patent location history
1996–2006Patents assigned to MINOLTA CO LTD (12)· patent assignee history
2000Based in Tatatsuki, JP· patent location history
2007–2009Based in Hachioji, JP· patent location history
2012–2013Patents assigned to KYOCERA MITA CORP (4)· patent assignee history
2012–2013Patents assigned to OJIMA SEISHI (4)· patent assignee history
2012–2018Based in Osaka, JP· patent location history
2016–2018Patents assigned to KYOCERA DOCUMENT SOLUTIONS INC (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINOLTA CO LTD121996–2006
KYOCERA DOCUMENT SOLUTIONS INC62016–2018
MINOLTA CAMERA KK51992–1997
KYOCERA MITA CORP42012–2013
OJIMA SEISHIself42012–2013
Locations
LocationPatentsSpan
Takatsuki, JP161992–2006
Osaka, JP102012–2018
Hachioji, JP32007–2009
Tatatsuki, JP12000