Inventor
Shigenori Ando
Inventor
Narashino, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Cprimary
F16CShafts28%
B24BMachines, devices, or processes for grinding or polishing16%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling12%
H02KDynamo-electric machines12%
F16NLubricating8%
G05BControl or regulating systems in general8%
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool4%
F16JPistons4%
H01FMagnets4%
H01RElectrically-conductive connections4%
PatentTitleYear
6,208,051'Spindle apparatus'20015,280,206'Armature stator'19945,187,434'Apparatus for detecting machining conditions of a workpiece'19935,027,280'Machining apparatus having a main spindle supported by magnetic bearings'19914,137,997'Lubricating and cooling system for spindle bearing assembly'19794,116,506'Preloaded bearing'19784,111,500'Sealing structure for a bearing'19784,006,953'Spindle assembly having an electrode spindle'19774,006,944'Spindle device having bearings lubricated with oil jet'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–2001Patents assigned to SEIKO SEIKI KK (8)· patent assignee history
1977Patents assigned to SEIKO INSTR & ELECTRONICS (1)· patent assignee history
1977–2001Based in Narashino, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO SEIKI KK | 8 | 1977–2001 |
| SEIKO INSTR & ELECTRONICS | 1 | 1977 |
Locations
| Location | Patents | Span |
|---|---|---|
| Narashino, JP | 9 | 1977–2001 |