Inventor

Takahiro Nakajima

Inventor
Kawasaki, JP

Overview

28→
Patents
1992–2021
Patent span
Physics
Primary field (CPC G)

Patents· 28 as inventor

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

G03Gprimary
G03GElectrography30%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds18%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons8%
G06FElectric digital data processing8%
B01DSeparation5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
Y10TTechnical subjects covered by former us classification5%
A61LMethods or apparatus for sterilising materials or objects in general3%
A62CFire-fighting3%
C02FTreatment of water, waste water, sewage, or sludge3%
PatentTitleYear
11,016,424Image forming apparatus and developer container202110,712,686Toner cartridge with memory for image forming apparatus202010,444,662Toner cartridge with memory for image forming apparatus201910,175,606Toner cartridge with memory for image forming apparatus20199,927,736'Toner cartridge with memory for image forming apparatus'20189,690,230'Toner cartridge with memory for image forming apparatus'20179,342,425'Test apparatus and test module'20169,285,706'Toner cartridge with memory for image forming apparatus'20169,223,670'Test apparatus and test module'20159,201,750'Test apparatus and test module'20159,081,326'Toner cartridge with memory for image forming apparatus'20158,805,211'Toner cartridge with memory for image forming apparatus'20148,554,091'Toner cartridge with memory for image forming apparatus'20138,331,807'Toner cartridge storing control data for an image forming apparatus'20128,293,862'Polyester polymerization catalyst, polyester produced by using the same, and a process for producing polyester'20127,868,126'Process for producing polyester, polyester produced using said process, and polyester molded product'20117,754,157'Humidifier'20107,604,688'Antiallergen filter, process for producing the same and use thereof'20097,501,373'Polymerization catalyst for polyester production, polyester, and process for producing polyester'20097,396,393'Antiallergen filter, process for producing the same and use thereof'20087,262,590'Performance board and testing system'20077,208,565'Polymerization catalyst for polyesters, polyester produced with the same, and process for production of polyester'20077,199,212'Polymerization catalyst for polyesters, polyesters produced with the same and process for producing polyesters'20077,144,614'Polyester polymerization catalyst, polyester produced by using the same, and process for producing polyester'20067,132,383'Polymerization catalyst for polyester, polyester produced with the same, and process for producing polyester'20066,480,636'Optical isolator comprising a faraday rotator'20026,242,148'Developing agent, image forming apparatus, and method for forming image'20015,117,916'Sprinkler head and operation monitor therefor'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2021Patents assigned to TOSHIBA TEC KK (12)· patent assignee history
2001–2021Based in Kawasaki, JP· patent location history
2006–2012Patents assigned to TOYO BOSEKI (7)· patent assignee history
2006–2012Based in Ohtsu, JP· patent location history
2008–2009Based in Aichi, JP· patent location history
2012–2016Patents assigned to NAKAJIMA TAKAHIRO (6)· patent assignee history
2012–2017Patents assigned to TOSHIBA KK (6)· patent assignee history
2015–2016Based in Gunma, JP· patent location history
2017–2020Patents assigned to TOSHIBA AMERICA BUSINESS SOLUTIONS INC (5)· patent assignee history
2017–2020Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA TEC KK122001–2021
TOYO BOSEKI72006–2012
NAKAJIMA TAKAHIROself62012–2016
TOSHIBA KK62012–2017
TOSHIBA AMERICA BUSINESS SOLUTIONS INC52017–2020
Locations
LocationPatentsSpan
Kawasaki, JP82001–2021
Ohtsu, JP72006–2012
Kanagawa, JP32017–2020
Gunma, JP32015–2016
Aichi, JP22008–2009