Inventor

Kazuo Ota

Inventor

Hiratsuka, JP

Overview

21→

Patents

1991–2019

Patent span

Performing operations

Primary field (CPC B)

Patents· 21 as inventor

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

B29Cprimary

B29CShaping or joining of plastics16%

G03GElectrography16%

Y10TTechnical subjects covered by former us classification13%

B23KSoldering or unsoldering10%

G02BOptical elements, systems or apparatus10%

H04NPictorial communication, e.g. television10%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts3%

B41JTypewriters3%

F16CShafts3%

F16KValves3%

PatentTitleYear

10,393,171Fluid dynamic bearing and spindle motor2019 9,418,238'Search system, search method of search system, and information processing device'2016 8,652,381'Resin transfer molding device and resin transfer molding method'2014 8,647,095'Resin transfer molding device and resin transfer molding method'2014 8,506,278'Resin transfer molding device and resin transfer molding method'2013 8,501,070'Resin transfer molding device and resin transfer molding method'2013 8,144,256'Video signal transmission unit'2012 7,785,525'RTM molding method'2010 7,098,940'Surveillance system for watching an object through an image'2006 6,034,349'Laser machining system for sequential irradiation of machining points'2000 5,623,304'CCTV system using multiplexed signals to reduce required cables'1997 5,546,108'Ink-jet type recorder having an ink carrier and letting ink by combined heat and eletrostatic force'1996 5,272,037'Polyolefinic resin-coated uneven carrier'1993 5,204,205'Three layered toner for electrophotography'1993 5,166,027'Fine particles composing developer for electrophotography'1992 5,148,833'High-speed flow control valve'1992 5,144,470'Laser scanner driving apparatus'1992 5,107,365'Laser scanner device'1992 5,093,201'Polyolefinic resin-coated uneven electrophotographic carrier particles'1992 5,079,125'Three layered toner for electrophotography'1992 5,005,929'Apparatus including a laser scanner'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2000Patents assigned to KOMATSU MFG CO LTD (5)· patent assignee history

1991–2012Based in Kanagawa, JP· patent location history

1992–1996Patents assigned to MINOLTA CAMERA KK (6)· patent assignee history

1992–1993Patents assigned to IDEMITSU KOSAN CO (3)· patent assignee history

1992–2000Based in Hiratsuka, JP· patent location history

1992–1993Based in Osaka, JP· patent location history

2010–2014Patents assigned to MITSUBISHI HEAVY IND LTD (5)· patent assignee history

2010–2013Based in Nagoya, JP· patent location history

2012–2016Patents assigned to OTA KAZUO (4)· patent assignee history

2014Based in Aichi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINOLTA CAMERA KK	6	1992–1996
KOMATSU MFG CO LTD	5	1991–2000
MITSUBISHI HEAVY IND LTD	5	2010–2014
OTA KAZUOself	4	2012–2016
IDEMITSU KOSAN CO	3	1992–1993

Locations

Location	Patents	Span
Hiratsuka, JP	4	1992–2000
Osaka, JP	4	1992–1993
Nagoya, JP	3	2010–2013
Aichi, JP	2	2014
Kanagawa, JP	2	1991–2012