Inventor
Nobuo Tsumaki
Inventor
Ushiku, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1030%
F16CShafts17%
F04DNon-positive-displacement pumps9%
G05BControl or regulating systems in general9%
H01JElectric discharge tubes or discharge lamps9%
B05BSpraying apparatus4%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling4%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors4%
C23CCoating metallic material4%
F16NLubricating4%
PatentTitleYear
7,485,874'Apparatus for manufacturing semiconductor substrates'20096,618,692'Remote diagnostic system and method for semiconductor manufacturing equipment'20036,288,368'Vacuum heating furnace with tapered portion'20016,186,153'Plasma treatment method and manufacturing method of semiconductor device'20016,093,911'Vacuum heating furnace with tapered portion'20005,258,047'Holder device and semiconductor producing apparatus having same'19935,080,195'Method of supplying lubricant and apparatus for the same'19924,874,273'Apparatus for holding and/or conveying articles by fluid'19894,630,942'Guiding apparatus'19864,602,873'Vibration-controlling bearing'19864,593,835'Cryogenic liquefied pump system'19864,579,508'Turbomolecular pump'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2003Patents assigned to HITACHI LTD (11)· patent assignee history
1986–2009Based in Ushiku, JP· patent location history
1986Based in Ibaraki, JP· patent location history
1992Patents assigned to KOJI KATO (1)· patent assignee history
2000–2001Patents assigned to KOKUSAI ELECTRIC CO LTD (2)· patent assignee history
2009Patents assigned to SUMCO CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 11 | 1986–2003 |
| KOKUSAI ELECTRIC CO LTD | 2 | 2000–2001 |
| KOJI KATO | 1 | 1992 |
| SUMCO CORP | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ushiku, JP | 9 | 1986–2009 |
| Ibaraki, JP | 3 | 1986 |