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Inventor

Yasuhiro Ohta

Inventor
Kitanagoya, JP

Overview

11→
Patents
1987–2013
Patent span
Performing operations
Primary field (CPC B)

Patents· 11 as inventor

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

B65Gprimary
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors17%
Y10TTechnical subjects covered by former us classification17%
F16HGearing13%
H04BTransmission13%
H04JMultiplex communication13%
B29DProducing particular articles from plastics or from substances in a plastic state9%
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. inserts4%
B29LIndexing scheme associated with subclass b29c, relating to particular articles4%
G11BInformation storage based on relative movement between record carrier and transducer4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
8,424,401'Ball screw unit'20138,424,402'Ball screw unit'20138,230,749'Ball screw unit'20127,274,729'Spread spectrum communication device and communication system'20076,697,418'Spread spectrum communication device and communication system'20046,134,264'Spread spectrum communication device and communication system'20005,484,048'Rubber tire individual separation transport apparatus'19965,423,412'Rubber tire separation and transport apparatus'19955,307,922'Rubber tire individual separation transport apparatus'19945,284,236'Stacked rubber tire separation-transport apparatus'19944,668,573'Thin film for recording data'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2007Patents assigned to HITACHI LTD (4)· patent assignee history
1987Based in Yokohama, JP· patent location history
1994–1996Patents assigned to TSUBAKIMOTO CHAIN CO (4)· patent assignee history
1994–1996Based in Sakurai, JP· patent location history
1995Based in Nara, JP· patent location history
2000–2007Based in Chigasaki, JP· patent location history
2012–2013Patents assigned to JTEKT CORP (3)· patent assignee history
2012–2013Patents assigned to KONDO SATOSHI (3)· patent assignee history
2012–2013Patents assigned to OHTA YASUHIRO (3)· patent assignee history
2012–2013Based in Kitanagoya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD41987–2007
TSUBAKIMOTO CHAIN CO41994–1996
JTEKT CORP32012–2013
KONDO SATOSHI32012–2013
OHTA YASUHIROself32012–2013
Locations
LocationPatentsSpan
Kitanagoya, JP32012–2013
Chigasaki, JP32000–2007
Sakurai, JP31994–1996
Nara, JP11995
Yokohama, JP11987