Inventor

Tomoyuki Hiroki

Inventor

Zama, JP

Overview

1994–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 51 as inventor

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

B41Jprimary

B41JTypewriters25%

G11BInformation storage based on relative movement between record carrier and transducer21%

Y10TTechnical subjects covered by former us classification12%

H10KOrganic electric solid-state devices10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light6%

B23KSoldering or unsoldering5%

H01LSemiconductor devices4%

H05BElectric heating4%

G02BOptical elements, systems or apparatus3%

PatentTitleYear

10,727,644Laser device2020 10,511,144Semiconductor light-emitting device2019 10,476,228Semiconductor light-emitting device2019 10,355,447Laser device2019 10,137,526Laser machining device2018 9,746,615'Light-synthesizing laser device'2017 9,647,422'Laser device'2017 9,219,253'Method for manufacturing organic EL display device'2015 9,155,160'Method of manufacturing organic electroluminescence display device and electronic equipment including organic electroluminescence display device manufactured by the manufacturing method'2015 9,054,315'Method for manufacturing organic light-emitting device'2015 9,006,019'Method for manufacturing organic light-emitting device'2015 8,877,532'Method of manufacturing organic electroluminescence display device'2014 8,778,727'Method of manufacturing organic electroluminescence display device'2014 8,575,835'Organic luminescent device and method for manufacturing the same'2013 8,530,254'Method of manufacturing organic electroluminescence device'2013 8,513,038'Method of manufacturing organic electroluminescent device'2013 7,844,984'Optical recording medium and manufacturing method thereof'2010 7,313,055'Magnetic domain wall displacement type magneto-optical recording medium'2007 6,958,125'Method for manufacturing liquid jet recording head'2005 6,863,834'Method for manufacturing liquid ejecting head'2005 6,834,943'Liquid discharge head, a substrate for use of such head and a method of manufacture therefor'2004 6,795,379'Magneto-optical medium utilizing domain wall displacement and process of reproduction'2004 6,765,847'Optical disk and method of magnetically separating tracks of the optical disk'2004 6,707,767'Domain wall displacement magneto-optical storage medium, and method for reproducing thereof'2004 6,690,626'Optical disk with magnetic layer separated magnetically between tracks and method of magnetically separating tracks of the optical disk'2004 6,540,336'Liquid discharge head, method for manufacturing such head, head cartridge and liquid discharging apparatus'2003 6,532,027'Ink jet recording head, substrate for this head, manufacturing method of this substrate and ink jet recording apparatus'2003 6,491,380'Liquid discharging head with common ink chamber positioned over a movable member'2002 6,485,132'Liquid discharge head, recording apparatus, and method for manufacturing liquid discharge heads'2002 6,474,780'Liquid discharge head, cartridge having such head, liquid discharge apparatus provided with such cartridge, and method for manufacturing liquid discharge heads'2002 6,439,700'Liquid discharge head, liquid discharge method, head cartridge and liquid discharge device'2002 6,436,301'Method for manufacturing a liquid discharge head'2002 6,419,347'Liquid eject head, cartridge and image forming apparatus, and manufacturing method of liquid eject head'2002 6,403,148'Magnetooptical recording medium on which high-density information can be recorded and method of reproducing the recorded information'2002 6,399,174'Magnetooptical recording medium on which high-density information can be recorded and method of reproducing the recorded information'2002 6,391,527'Method of producing micro structure, method of production liquid discharge head'2002 6,374,482'Method of manufacturing a liquid discharge head'2002 6,331,259'Method for manufacturing ink jet recording heads'2001 6,293,655'Liquid ejecting head, head cartridge and liquid ejecting apparatus'2001 6,277,294'Method of producing ink jet head valve, method of producing ink jet head and ink jet head produced by the method'2001 6,254,215'Ink jet printing head and method for producing the same'2001 6,196,667'Liquid discharging head, method of manufacturing the liquid discharging head, head cartridge carrying the liquid discharging head thereon and liquid discharging apparatus'2001 6,125,083'Magneto-optical recording method and medium comprising three layers, whose middle layer has a lower curie temperature than the other layers'2000 6,095,640'Liquid discharge head, liquid discharge method, head cartridge and liquid discharge device'2000 6,027,825'Magnetooptical recording medium on which high-density information can be recorded and method of reproducing the recorded information'2000 5,976,667'Magneto-optical recording medium utilizing magnetostatic coupling, and method of recording information on the medium'1999 5,896,365'Optical information recording medium capable of recording in lands and grooves without a track-jumping operation; optical information recording/reproducing apparatus using, and master disk exposure apparatus for producing the same'1999 5,790,513'Magneto-optical recording medium capable of super resolution reproduction and information reproduction method using the same'1998 5,703,841'Optical information recording/reproducing apparatus and method with function of adjusting reproducing power'1997 5,559,770'Automatic gain control method and device for servo loop, and information recording and/or reproduction apparatus'1996 5,307,338'Apparatus for recording and/or reproducing information'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2015Patents assigned to CANON KK (43)· patent assignee history

1994Based in Kamakura, JP· patent location history

1996–2010Based in Zama, JP· patent location history

2002–2007Based in Kanagawa, JP· patent location history

2013–2015Patents assigned to HIROKI TOMOYUKI (7)· patent assignee history

2013–2015Patents assigned to SATO NOBUHIKO (6)· patent assignee history

2013–2015Patents assigned to ENDO TARO (4)· patent assignee history

2013–2015Based in Mobara, JP· patent location history

2017–2020Patents assigned to SHIMADZU CORP (6)· patent assignee history

2017–2020Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	43	1994–2015
HIROKI TOMOYUKIself	7	2013–2015
SATO NOBUHIKO	6	2013–2015
SHIMADZU CORP	6	2017–2020
ENDO TARO	4	2013–2015

Locations

Location	Patents	Span
Zama, JP	28	1996–2010
Mobara, JP	9	2013–2015
Kyoto, JP	7	2017–2020
Kanagawa, JP	6	2002–2007
Kamakura, JP	1	1994