Inventor

Takahiro Naka

Inventor
Nagano, JP

Overview

76→
Patents
1980–2017
Patent span
Performing operations
Primary field (CPC B)

Patents· 76 as inventor

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

B41Jprimary
B41JTypewriters52%
Y10TTechnical subjects covered by former us classification9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C01BNon-metallic elements6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%
B01BBoiling3%
F16KValves3%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%
B01DSeparation2%
Y02PClimate change mitigation technologies in the production or processing of goods2%
PatentTitleYear
9,669,635'Attachment and attachment system'20178,974,043'Attachment and attachment system'20158,403,459'Attachment and attachment system'20137,997,703'Liquid container'20117,871,156'Ink cartridge for ink-jet printing apparatus'20117,726,773'Waste liquid recovery apparatus, relay and liquid jetting apparatus'20107,696,126'Method of producing oxidation catalyst for cleaning exhaust gas'20107,404,628'Liquid container'20087,300,142'Ink cartridge for ink-jet printing apparatus'20077,195,345'Ink-jet printing apparatus and ink cartridge'20077,140,712'Liquid cartridge'20067,101,513'Method of starting and stopping methanol reforming apparatus and apparatus for supplying fuel to said apparatus'20067,090,344'Ink cartridge for use in an ink jet recording apparatus'20067,033,009'Ink cartridge, ink-jet type printing apparatus using the same, and ink cartridge change control method in the apparatus'20067,028,377'Method of producing an ink jet recording head'20067,014,305'Ink cartridge'20066,991,314'Ink-jet recording apparatus'20066,986,568'Valve unit in ink supply channel of ink-jet recording apparatus, ink cartridge using the valve unit, ink supply needle and method of producing the valve unit'20066,971,732'Ink jet recording apparatus'20056,969,136'Ink cartridge, ink-jet printing apparatus, and refilling device'20056,908,184'Ink cartridge for ink-jet printing apparatus'20056,905,998'Catalyst performance recovery method for reforming catalyst apparatus'20056,899,417'Ink cartridge for use in an ink jet recording apparatus'20056,886,927'Ink-jet printing apparatus and ink cartridge'20056,793,330'Ink cartridge for ink-jet printing apparatus'20046,786,581'Ink-jet printing apparatus and ink cartridge'20046,758,543'Ink cartridge, ink-jet printing apparatus, and refilling device'20046,755,515'Ink cartridge for ink-jet printing apparatus'20046,729,002'Method of producing an ink jet recording head'20046,709,088'Inkjet recording apparatus'20046,705,712'Ink cartridge, ink jet recording device using the same, and method for controlling the cleaning of a recording head of the ink jet recording device'20046,677,068'CATALYST FOR SELECTIVE OXIDATION OF CARBON MONOXIDE PRESENT IN HYDROGEN-CONTAINING GASES, AND ELIMINATION OF CARBON MONOXIDE AND SOLID POLYMER ELECTROLYTE FUEL CELL SYSTEM WHICH MAKE USE OF THE CATALYST'20046,672,695'Ink cartridge management system, printer, and ink cartridge'20046,648,459'Valve unit in ink supply channel of ink-jet recording apparatus, ink cartridge using the valve unit, ink supply needle and method of producing the valve unit'20036,649,562'Methanol-decomposing catalyst and methanol-decomposing apparatus comprising same'20036,634,738'Ink cartridge for ink-jet printing apparatus'20036,602,815'Exhaust system comprising a heat-resistant HC adsorbent'20036,576,208'Catalyst for selective oxidation and elimination of carbon monoxide present in hydrogen-containing gases'20036,562,499'Catalyst and method for selectively oxidizing carbon monoxide in hydrogen-containing gas and solid polymer electrolyte-type fuel cell system using such catalyst'20036,554,412'Ink cartridge, ink jet recorder, and method of mounting ink cartridge'20036,547,363'Ink cartridge, ink jet type printing apparatus using the same, and ink cartridge change control method in the apparatus'20036,502,916'Ink jet printing device and an ink cartridge'20036,460,981'Ink jet recording head having spacer with etched pressurizing chambers and ink supply ports'20026,390,611'Ink jet recording apparatus, sub-tank unit adapted thereto, and ink droplet ejection capability recovery method'20026,390,616'Method for manufacturing ink cartridges'20026,361,138'Ink jet printing apparatus and ink cartridge'20026,302,531'Valve unit in ink supply channel of ink-jet recording apparatus, ink cartridge using the valve unit, ink supply needle and method of producing the valve unit'20016,290,877'Method of starting and stopping methanol reforming apparatus and apparatus for supplying fuel to said apparatus'20016,286,942'Ink jet recording head with mechanism for positioning head components'20016,139,132'Ink jet recording head with nozzle communicating hole having smaller width than pressurizing chambers in direction of array of pressurizing chambers'20006,117,400'HC emission control member for exhaust gas'20006,096,674'Heat-resistant HC adsorbent'20006,048,052'Ink jet recording head'20005,956,058'Ink jet print head with improved spacer made from silicon single-crystal substrate'19995,923,351'Vibrating plate for an ink jet recording head which causes ink to be discharged from a pressure chamber when vibrated by a vibrator'19995,786,833'Piezoelectric driver for an ink jet recording head, including front end plate having front end face aligned with front end face of inactive region of driver'19985,764,257'Ink jet recording head'19985,755,019'Piezoelectric driver for an ink jet recording head, and its manufacturing method'19985,723,053'Ink jet print head and a method of manufacturing the same'19985,710,584'Ink jet recording head utilizing a vibration plate having diaphragm portions and thick wall portions'19985,655,362'Exhaust emission control system in engine'19975,630,274'Method of making an ink jet recording head'19975,548,314'Ink jet recording head'19965,539,982'Method of manufacturing an ink jet recording head'19965,517,225'Ink jet recording head'19965,471,232'Ink jet recording head'19955,424,769'Ink jet recording head'19955,391,627'Heat-resistant, oil-resistant rubber composition'19955,375,326'Method of manufacturing ink jet head'19945,333,204'Speaker system'19945,255,019'Ink near-end detecting device'19935,157,420'Ink jet recording head having reduced manufacturing steps'19925,070,346'Ink near-end detecting device'19914,684,963'Nozzle cover assembly for an ink-on-demand type ink jet printer'19874,328,731'Electronic tone generator'19824,211,064'Time signal timepiece'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1996Based in Suwa, JP· patent location history
1987–2017Patents assigned to SEIKO EPSON CORP (58)· patent assignee history
1987–2010Based in Shiojiri, JP· patent location history
1991–2017Based in Nagano, JP· patent location history
1992–2013Patents assigned to NAKA TAKAHIRO (2)· patent assignee history
1994–2003Based in Saitama, JP· patent location history
1995–2010Patents assigned to HONDA MOTOR CO LTD (11)· patent assignee history
2000–2010Based in Wako, JP· patent location history
2001–2006Patents assigned to MITSUBISHI GAS CHEMICAL CO (3)· patent assignee history
2003–2004Patents assigned to N E CHEMCAT CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP581987–2017
HONDA MOTOR CO LTD111995–2010
MITSUBISHI GAS CHEMICAL CO32001–2006
N E CHEMCAT CORP22003–2004
NAKA TAKAHIROself21992–2013
Locations
LocationPatentsSpan
Nagano, JP551991–2017
Wako, JP72000–2010
Shiojiri, JP31987–2010
Saitama, JP31994–2003
Suwa, JP31980–1996