Inventor

Tsutomu Ohkubo

Inventor

Gunma, JP

Overview

17→

Patents

2002–2018

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 17 as inventor

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

F16Hprimary

F16HGearing33%

Y10TTechnical subjects covered by former us classification33%

F16CShafts18%

H10HInorganic light-emitting semiconductor devices having potential barriers4%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%

A61LMethods or apparatus for sterilising materials or objects in general2%

F21VFunctional features or details of lighting devices or systems thereof2%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted2%

PatentTitleYear

9,895,459'Ultraviolet ray emitting package having resin adhesive layer and ultraviolet ray irradiating apparatus'2018 8,460,973'Semiconductor light emitting apparatus, method for manufacturing the same, and liquid crystal display apparatus using the same'2013 7,921,743'Ball screw device'2011 7,530,283'Ball screw mechanism'2009 7,363,835'Ball screw apparatus'2008 7,222,553'Ball screw apparatus'2007 7,207,234'Ball screw'2007 7,201,076'Ball screw'2007 7,159,484'Linear motion device'2007 7,146,869'Ball screw device and linear motion device'2006 6,978,693'Ball screw'2005 6,941,831'Ball screw apparatus'2005 6,925,900'Ball screw'2005 6,813,968'Ball screw device and linear motion device'2004 6,742,408'Ball screw mechanism'2004 6,581,489'Ball screw'2003 6,347,558'Ball screw device and linear motion device'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2011Patents assigned to NSK LTD (15)· patent assignee history

2002–2006Based in Maebashi, JP· patent location history

2003–2009Based in Gunma, JP· patent location history

2008–2011Based in Kanagawa, JP· patent location history

2013–2018Patents assigned to STANLEY ELECTRIC CO LTD (2)· patent assignee history

2013Patents assigned to OHKUBO TSUTOMU (1)· patent assignee history

2013–2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NSK LTD	15	2002–2011
STANLEY ELECTRIC CO LTD	2	2013–2018
OHKUBO TSUTOMUself	1	2013

Locations

Location	Patents	Span
Gunma, JP	10	2003–2009
Maebashi, JP	3	2002–2006
Tokyo, JP	2	2013–2018
Kanagawa, JP	2	2008–2011