Inventor

Makoto Otsuki

Inventor

Itami, JP

Overview

22→

Patents

1996–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 22 as inventor

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

F16Cprimary

F16CShafts24%

H02KDynamo-electric machines24%

G11BInformation storage based on relative movement between record carrier and transducer18%

B41JTypewriters10%

G02BOptical elements, systems or apparatus8%

C09DCoating compositions, e.g. paints, varnishes or lacquers6%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%

B41MPrinting, duplicating, marking, or copying processes2%

F16KValves2%

H01LSemiconductor devices2%

PatentTitleYear

10,752,006Flow path structure body, liquid ejecting apparatus, and liquid ejecting method2020 10,654,266Liquid ejecting head and liquid ejecting apparatus2020 9,527,301'Liquid ejecting apparatus'2016 9,476,507'Valve, pressure controlling apparatus, liquid ejecting apparatus, and method of opening and closure valve'2016 8,008,368'Oil-based ink composition for inkjet recording'2011 7,897,656'Oil-based white ink for ink jet recording'2011 7,360,950'Hydrodynamic bearing assembly'2008 7,125,447'Oil-based ink composition for ink-jet recording'2006 7,033,078'Hydrodynamic bearing assembly and spindle motor having the same'2006 6,870,289'Dynamic-pressure bearing and spindle motor comprising the same'2005 6,771,459'Spindle motor and hard disc drive incorporating the same'2004 6,749,339'Hydrodynamic bearing assembly and spindle motor having the same'2004 6,702,464'Dynamic pressure bearing with improved starting characteristics'2004 6,686,673'Bearing structures, spindle motor, and hard disk drive'2004 6,608,415'Spindle motor'2003 6,552,455'Hydrodynamic bearing and spindle motor'2003 6,502,989'Dynamic pressure bearing and spindle motor with the bearing'2003 6,417,590'Spindle motor'2002 6,307,295'Spindle motor and complex bearing assembly for use with the spindle motor'2001 6,200,035'Hydrodynamic gas bearing structure'2001 5,639,299'Method of making compound semiconductor single-crystalline substrate for liquid phase epitaxial growth'1997 5,514,903'Compound semiconductor single-crystalline substrate for liquid phase epitaxial growth'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2008Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (15)· patent assignee history

1996–1997Based in Hyogo, JP· patent location history

2001–2008Based in Itami, JP· patent location history

2006–2020Patents assigned to SEIKO EPSON CORP (7)· patent assignee history

2006–2011Based in Nagano, JP· patent location history

2011Patents assigned to INCTEC INC (2)· patent assignee history

2016–2020Based in Matsumoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO ELECTRIC INDUSTRIES	15	1996–2008
SEIKO EPSON CORP	7	2006–2020
INCTEC INC	2	2011

Locations

Location	Patents	Span
Itami, JP	13	2001–2008
Matsumoto, JP	4	2016–2020
Nagano, JP	3	2006–2011
Hyogo, JP	2	1996–1997