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Inventor

Kenji Takashima

Inventor
Tokyo, JP

Overview

40→
Patents
2009–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 40 as inventor

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

C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels9%
C04BLime, magnesia7%
H10NElectric solid-state devices not otherwise provided for7%
Y10TTechnical subjects covered by former us classification7%
G02BOptical elements, systems or apparatus6%
G03GElectrography6%
B01DSeparation5%
B82YSpecific uses or applications of nanostructures4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons4%
PatentTitleYear
10,843,383Rubber composition202010,845,724Electro-conductive member, process cartridge and image forming apparatus202010,678,154Electrophotographic electroconductive member, process cartridge, and electrophotographic image forming apparatus202010,678,158Electro-conductive member for electrophotography, process cartridge, and electrophotographic image forming apparatus202010,607,782Ceramic electronic device and manufacturing method of ceramic electronic device202010,597,245Image forming apparatus and paper feeding method202010,544,488Magnetic body and electronic component comprising the same202010,302,125Sliding member and sliding mechanism201910,294,595Polymer nanofiber sheet and method for producing the same201910,252,209Nanofiber sheet and method of producing the sheet201910,239,006Polymer nanofiber structural body and method of producing the same201910,239,003Polymer nanofiber accumulated body and method of producing the same201910,119,203Glossy member and method of producing the member201810,081,509Image forming apparatus and paper feeding method201810,036,996Sliding member, sliding device including sliding member, and electrophotographic image forming apparatus including sliding device20189,943,793Polymer nanofiber structural body and polymer nanofiber composite using the structural body, and methods of producing the structural body and the composite20189,766,374'Optical member, image pickup apparatus, and method for manufacturing optical member'20179,580,847'Porous laminate'20179,522,352'Nanofiber structural body and collecting apparatus using the nanofiber structural body, and method of producing the nanofiber structural body'20169,517,969'Method for manufacturing a porous glass film'20169,487,436'Optical member, image pickup apparatus, and method for manufacturing optical member'20169,426,338'Imaging apparatus and image forming apparatus having continuous pores in three dimensions in porous body'20169,362,482'Method of producing piezoelectric device using Be, Fe and Co under excess oxygen atmosphere'20169,278,882'Method of producing glass'20169,212,088'Method for manufacturing optical member'20159,162,920'Method for manufacturing porous glass, and method for manufacturing optical element'20159,051,191'Bismuth iron oxide powder, manufacturing method for the bismuth iron oxide powder, dielectric ceramics, piezoelectric element, liquid discharge head, and ultrasonic motor'20159,003,833'Porous glass, method of manufacturing the same and optical element'20158,993,107'Porous glass and optical member'20158,908,353'Laminated ceramic capacitor'20148,804,140'Imaging apparatus and image forming apparatus having porous body with three-dimensional skeleton and interconnected pores'20148,704,429'Bismuth iron oxide powder, manufacturing method for the bismuth iron oxide powder, dielectric ceramics, piezoelectric element, liquid discharge head, and ultrasonic motor'20148,547,001'Ceramic, piezoelectric device, and production method thereof'20138,400,047'Piezoelectric material, piezoelectric device, and method of producing the piezoelectric device'20138,273,675'Ferroelectric ceramic material'20128,216,858'Ferroelectric material, method of producing ferroelectric material, and ferroelectric device'20128,165,804'Navigation apparatus, method, and program for same'20127,931,821'Oxynitride piezoelectric material and method of producing the same'20117,570,263'Map display device and navigation system therewith'20097,539,574'Vehicular navigation system'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2012Based in Obu, JP· patent location history
2011–2020Patents assigned to CANON KK (32)· patent assignee history
2011–2016Based in Saitama, JP· patent location history
2012–2016Patents assigned to TAKASHIMA KENJI (12)· patent assignee history
2012–2016Patents assigned to ZHANG ZUYI (6)· patent assignee history
2014–2016Patents assigned to KOTANI YOSHINORI (5)· patent assignee history
2014–2015Patents assigned to SUGIYAMA AKIRA (4)· patent assignee history
2014–2019Based in Tokyo, JP· patent location history
2014–2020Based in Takasaki, JP· patent location history
2018–2020Based in Numazu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK322011–2020
TAKASHIMA KENJIself122012–2016
ZHANG ZUYI62012–2016
KOTANI YOSHINORI52014–2016
SUGIYAMA AKIRA42014–2015
Locations
LocationPatentsSpan
Tokyo, JP142014–2019
Numazu, JP112018–2020
Saitama, JP82011–2016
Takasaki, JP32014–2020
Obu, JP32009–2012