Inventor
Tsuyoshi Kitahara
Inventor
Nagano, JP
Overview
Patents· 84 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters47%
Y10TTechnical subjects covered by former us classification18%
H10NElectric solid-state devices not otherwise provided for7%
F02DControlling combustion engines4%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general3%
G02BOptical elements, systems or apparatus2%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein2%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers2%
H05BElectric heating2%
PatentTitleYear
8,668,951'Liquid material arrangement method, color filter manufacturing method, and organic EL display device manufacturing method'20148,389,046'Liquid material arrangement method, color filter manufacturing method, and organic EL display device manufacturing method'20138,247,021'Liquid material arrangement method, color filter manufacturing method, and organic EL display device manufacturing method'20128,186,806'Head unit, liquid droplet discharging apparatus, method for discharging liquid, and methods for manufacturing color filter, organic EL element and wiring substrate'20127,867,407'Method of manufacturing an ink-jet recording head'20117,810,903'Head unit, liquid droplet discharging apparatus, method for discharging liquid, and methods for manufacturing color filter, organic EL element and wiring substrate'20107,725,995'Manufacturing method of piezoelectric vibrator unit, manufacturing method of liquid jet head, piezoelectric vibrator unit, and liquid jet head'20107,600,318'Method of manufacturing a piezoelectric vibration element for an inkjet recording head'20097,480,993'Method of manufacturing a nozzle plate'20097,384,126'Liquid drop discharge head, discharge method and discharge device; electro optical device, method of manufacture thereof, and device for manufacture thereof; color filter, method of manufacture thereof, and device for manufacture thereof; and device incorporating backing, method of manufacture thereof, and device for manufacture thereof'2008D0557332'Ink jet liquid injector'20077,305,764'Method of manufacturing an ink-jet recording head'20077,153,459'Method of manufacturing an ink jet type recording head'20067,111,927'Piezoelectric vibrator unit'20067,102,273'Piezoelectric element formation member incorporated in piezoelectric element formation unit, piezoelectric actuator unit and liquid ejection head'20067,100,282'Method of manufacturing a piezoelectric vibration element for an inkjet recording head'20067,101,440'Ejecting method and ejecting apparatus'20067,066,584'Piezoelectric ink jet recording head formed by press working'20067,066,565'Liquid jetting method and liquid jetting apparatus using the method'20067,028,377'Method of producing an ink jet recording head'20067,009,327'Piezoelectric element formation member, method of manufacturing the same, piezoelectric actuator unit and liquid ejection head incorporating the same'2006D0514618'Ink jet liquid injector'20066,986,189'Method of manufacturing a piezoelectric vibrator unit'20066,984,010'Ink jet recording head, method of manufacturing the same method of driving the same, and ink jet recording apparatus incorporating the same'20066,955,421'Manufacturing method of piezoelectric vibrator unit, manufacturing method of liquid jet head, piezoelectric vibrator unit, and liquid jet head'20056,952,873'Piezoelectric ink jet recording head formed by press working'20056,921,148'LIQUID DROP DISCHARGE HEAD, DISCHARGE METHOD AND DISCHARGE DEVICE; ELECTRO OPTICAL DEVICE, METHOD OF MANUFACTURE THEREOF, AND DEVICE FOR MANUFACTURE THEREOF; COLOR FILTER, METHOD OF MANUFACTURE THEREOF, AND DEVICE FOR MANUFACTURE THEREOF; AND DEVICE INCORPORATING BACKING, METHOD OF MANUFACTURE THEREOF, AND DEVICE FOR MANUFACTURE THEREOF'20056,918,658'Method of producing a liquid jetting head'20056,871,400'Method of producing a liquid jetting head'20056,862,782'Method of manufacturing a piezoelectric vibrator unit'20056,779,866'Liquid jetting apparatus and method for driving the same'20046,732,414'Method of manufacturing a liquid ink jet head'20046,729,002'Method of producing an ink jet recording head'20046,700,307'Piezoelectric vibrator unit'20046,695,442'Ink jet head having structure for eliminating air bubbles and reducing crosstalk and a printer containing the ink head'20046,631,980'Liquid jetting head'20036,626,524'Ink jet recording head provided with a vibrator unit'20036,624,552'Piezoelectric vibrator unit, method for manufacturing the same, and ink jet recording head comprising the same'20036,609,280'Ink jet recording head and method of manufacturing the same'20036,578,953'Inkjet recording head, piezoelectric vibration element unit used for the recording head, and method of manufacturing the piezoelectric vibration element unit'20036,547,373'Ink jet type recording head'20036,499,836'Piezoelectric ink jet recording head formed by press working'20026,478,411'Ink jet recording head and method of manufacturing the same'20026,460,981'Ink jet recording head having spacer with etched pressurizing chambers and ink supply ports'20026,417,600'Piezoelectric vibrator unit, method for manufacturing the same, and ink jet recording head comprising the same'20026,408,513'Method for manufacturing a piezoelectric vibrator unit'20026,398,350'Piezoelectric vibrator unit, liquid jet head, manufacturing method of piezoelectric vibrator unit, and manufacturing method of liquid jet head'20026,386,672'Ink jet type recording head'20026,382,778'Ink jet recording head and method of manufacturing the same'20026,382,754'Ink jet printing device'20026,357,846'Ink jet recording apparatus and recording method using the same'20026,338,554'Ink-jet recording device'20026,338,549'Piezoelectric vibrator unit, method for manufacturing the same, and ink-jet recording head'20026,328,395'Ink jet printer and ink jet printing method'20016,322,203'Ink jet recording head and ink jet recorder'20016,296,351'Ink jet recording head with narrowed reservoir ends'20016,273,558'Piezoelectric vibrator unit, manufacturing method thereof, and ink jet recording head incorporating the same'20016,270,191'Ink jet recording head and ink jet recorder'20016,217,159'Ink jet printing device'20016,213,594'Ink-jet printing head for preventing crosstalk'20016,190,009'Ink-jet recording device'20016,161,912'Method of maintaining and controlling the helmholtz resonant frequency in an ink jet print head'20006,139,132'Ink jet recording head with nozzle communicating hole having smaller width than pressurizing chambers in direction of array of pressurizing chambers'20006,048,052'Ink jet recording head'20006,010,209'Passage forming substrate for an ink-jet recording head'20005,896,149'Ink jet type recording head having a flow passage substrate with a stepped configuration and recesses formed in a surface thereof'19995,841,456'Transfer printing apparatus with dispersion medium removal member'19985,754,204'Ink jet recording head'19985,646,662'Recording head of an ink-jet type'19975,510,816'Method and apparatus for driving ink jet recording head'19965,481,284'Printer having line-type ink jet recording head'19965,341,164'Solid ink supply for ink jet'19945,184,155'Ink jet print head'19935,177,504'On-demand type ink jet print head'19935,030,972'Solid ink supply for ink jet'19914,962,391'Ink jet printer head'19904,776,943'Device for detecting air-fuel ratio of mixture over wide range from below to above stoichiometric ratio'19884,658,790'Air/fuel ratio detecting device and control system using same'19874,601,273'Air/fuel ratio monitoring system in IC engine using oxygen sensor'19864,601,809'Oxygen concentration detecting system using oxygen sensor including oxygen ion pump'19864,580,539'Air-fuel ratio control apparatus'19864,507,986'Control system for motor vehicle'19854,494,374'Air/fuel ratio monitoring system in IC engine using oxygen sensor'19854,440,621'System for detection of air/fuel ratio in IC engine by using oxygen sensor operated with supply of current'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1988Patents assigned to NISSAN MOTOR (8)· patent assignee history
1984–1986Based in Yokohama, JP· patent location history
1986–1988Based in Ina, JP· patent location history
1990–2014Patents assigned to SEIKO EPSON CORP (75)· patent assignee history
1990–2002Based in Suwa, JP· patent location history
1991–2014Based in Nagano, JP· patent location history
2005–2013Based in Matsumoto, JP· patent location history
2012–2014Patents assigned to KITAHARA TSUYOSHI (4)· patent assignee history
2012–2014Patents assigned to MIYASAKA YOICHI (3)· patent assignee history
2012–2014Patents assigned to USHIYAMA YOSHIHIKO (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO EPSON CORP | 75 | 1990–2014 |
| NISSAN MOTOR | 8 | 1984–1988 |
| KITAHARA TSUYOSHIself | 4 | 2012–2014 |
| MIYASAKA YOICHI | 3 | 2012–2014 |
| USHIYAMA YOSHIHIKO | 3 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagano, JP | 66 | 1991–2014 |
| Matsumoto, JP | 6 | 2005–2013 |
| Suwa, JP | 4 | 1990–2002 |
| Ina, JP | 4 | 1986–1988 |
| Yokohama, JP | 4 | 1984–1986 |