Inventor

Toshio Kojima

Inventor
Isehara, JP

Overview

21→
Patents
1978–2021
Patent span
Physics
Primary field (CPC G)

Patents· 21 as inventor

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

G03Gprimary
G03GElectrography44%
A61BDiagnosis7%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles7%
C22CAlloys7%
Y10TTechnical subjects covered by former us classification7%
A47BTables4%
A47LDomestic washing or cleaning4%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for4%
B62DMotor vehicles4%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors4%
PatentTitleYear
11,123,038Medical image diagnostic apparatus and medical image diagnostic system20218,824,932'Development device, and process cartridge and image forming apparatus incorporating same'20148,731,444'Develop roller, develop unit, process cartridge, and image forming apparatus'20148,682,230'Development device, process cartridge, and image forming apparatus including same having multiple recesses formed on a developer bearer'20148,565,652'Development roller, development device, process cartridge and image-forming apparatus'20138,135,316'Development roller, development device, process cartridge and image forming device'20128,133,161'Conductive member, process cartridge, and image forming apparatus'20128,105,672'Electroconductive member, process cartridge, and image forming apparatus'20127,925,192'Developing roller, developing device, process cartridge, and image forming apparatus'20117,734,221'Conductive member, process cartridge using conductive member and image formation apparatus using process cartridge'20107,693,455'Conductive member, process cartridge having conductive member, and image forming apparatus having process cartridge'20107,515,852'Conductive member, charging member using the conductive member, process cartridge using the charging member and image forming apparatus using process cartridge'20097,493,064'Electric conductive member, process cartridge and image forming apparatus'20095,329,952'Apparatus for washing dishes'19945,326,148'Operator compartment protecting device for construction vehicles'19945,207,163'Leg attaching tool'19934,959,063'Spinal needle with optical fiber means for radiating a laser beam'19904,474,733'Heat resistant nickel base alloy excellent in workability and high temperature strength properties'19844,429,733'Apparatus for controlling blowing mode of a car air-conditioner'19844,381,480'Apparatus for controlling a blower motor'19834,110,110'Nickel-base alloy excellent in corrosion resistance at high temperatures'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1984Based in Kounan, JP· patent location history
1993–2014Patents assigned to KOJIMA TOSHIO (8)· patent assignee history
1994Based in Tokai, JP· patent location history
2009–2014Based in Isehara, JP· patent location history
2011–2014Patents assigned to RICOH CO LTD (8)· patent assignee history
2012–2014Patents assigned to KAMIYA NORIYUKI (5)· patent assignee history
2012–2014Patents assigned to KOETSUKA KYOHTA (5)· patent assignee history
2012–2014Patents assigned to OHSAWA MASAYUKI (5)· patent assignee history
2014Based in Kanagawa, JP· patent location history
2021Based in Nasushiobara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOJIMA TOSHIOself81993–2014
RICOH CO LTD82011–2014
KAMIYA NORIYUKI52012–2014
KOETSUKA KYOHTA52012–2014
OHSAWA MASAYUKI52012–2014
Locations
LocationPatentsSpan
Isehara, JP102009–2014
Kanagawa, JP22014
Kounan, JP21983–1984
Nasushiobara, JP12021
Tokai, JP11994