LexDanaLexDanabeta
Inventor

Tatsuo Takagi

Inventor
Kanagawa, JP

Overview

14→
Patents
1988–2009
Patent span
Physics
Primary field (CPC G)

Patents· 14 as inventor

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

G03Gprimary
G03GElectrography27%
B05CApparatus for applying fluent materials to surfaces, in general15%
C04BLime, magnesia12%
G11BInformation storage based on relative movement between record carrier and transducer12%
Y10TTechnical subjects covered by former us classification12%
F16CShafts8%
B29CShaping or joining of plastics4%
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%
C08JWorking-up4%
G01KMeasuring temperature4%
PatentTitleYear
7,567,406'Method of writing pattern on magnetic disk and device therefor'20096,869,385'Oil-coating roller'20056,519,440'Oil application device having oil application amount control layer bonded to oil retaining member for retaining application-use silicone oil using mixture of adhesive and mixture-use silicone oil'20036,480,694'Oil application roller'20026,336,972'Oil coating apparatus'20025,902,653'Oil holding cylinder for an oil coating roller and method therefor'19995,876,640'Process for producing a coating fluid holding member'19995,800,745'Oil holding cylinder for an oil coating roller and method therefor'19985,674,020'Coating fluid holding member and oil coating roller using the same'19975,543,982'Disk drive apparatus having a device inside the disk drive housing for electrically connecting a spin motor cable outside the housing to a connector outside the housing'19965,508,860'Disk drive design having reduced height and improved means for electrical connections'19965,244,727'Refractories for use in firing ceramics'19934,849,382'Lightweight refractory and process for producing the same'19894,743,121'Clinical electrothermometer'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2005Patents assigned to NICHIAS CORP (8)· patent assignee history
1989–2009Based in Kanagawa, JP· patent location history
1996Patents assigned to IBM (2)· patent assignee history
1996Based in Yamato, JP· patent location history
1998–2002Patents assigned to ZENITH CORP (4)· patent assignee history
1998–1999Based in Yokohama, JP· patent location history
1999–2002Based in Shizuoka, JP· patent location history
2002–2003Patents assigned to NICHIAS CO LTD (2)· patent assignee history
2002–2005Based in Hamamatsu, JP· patent location history
2009Patents assigned to HITACHI GLOBAL STORAGE TECH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NICHIAS CORP81989–2005
ZENITH CORP41998–2002
IBM21996
NICHIAS CO LTD22002–2003
HITACHI GLOBAL STORAGE TECH12009
Locations
LocationPatentsSpan
Kanagawa, JP41989–2009
Hamamatsu, JP32002–2005
Shizuoka, JP21999–2002
Yokohama, JP21998–1999
Yamato, JP21996